diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2138333..3744e33 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
           {"packages":["tinywallet-web3"],"all_targets":true}
         ]
       module-e2e-script: scripts/test-e2e.sh
-      module-e2e-toolchain: '1.88.0'
+      module-e2e-toolchain: '1.89.0'
       feature-test-script: scripts/test-features.sh
 
   wallet-ledger-msrv:
@@ -41,7 +41,7 @@ jobs:
           submodules: recursive
       - uses: dtolnay/rust-toolchain@683b588c487a69d01f6c6ddf40f036ff682cc2c8 # stable
         with:
-          toolchain: '1.88.0'
+          toolchain: '1.89.0'
       - name: Test the x402 ledger consumer at its minimum Rust version
         run: cargo test --locked -p tinywallet-x402 --features ledger
 
@@ -100,7 +100,7 @@ jobs:
           submodules: recursive
       - uses: dtolnay/rust-toolchain@683b588c487a69d01f6c6ddf40f036ff682cc2c8 # stable
         with:
-          toolchain: '1.88.0'
+          toolchain: '1.89.0'
       - name: Compile the excluded canonical-type consumer
         run: cargo test --locked --manifest-path proof-workspaces/storage-contract/Cargo.toml
       - name: Keep the storage contract's normal/build graph data-only
diff --git a/Cargo.lock b/Cargo.lock
index 2c37645..d975bdb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1191,9 +1191,9 @@ checksum = "65cd87c9a6d60536580b316ad985726104730a5151c99845f2490428ef91240a"
 
 [[package]]
 name = "libsqlite3-sys"
-version = "0.38.2"
+version = "0.39.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1d20bef17f513b9b3004532233187769cd072d790971f4e4da0e346eb6401e8"
+checksum = "14a5f01b87b92705d07b433c06f96cbc764637d81a0bffb5734ce17cf0f9a2b3"
 dependencies = [
  "cc",
  "pkg-config",
@@ -1573,9 +1573,9 @@ dependencies = [
 
 [[package]]
 name = "rusqlite"
-version = "0.40.2"
+version = "0.41.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23f2a97da3e3873c73cb2a2e71b35c40ff95e0b1eefa8d72d8499a6928c3b5b3"
+checksum = "da9bba6f3506135e120a6586df05be18b48d18896600646a4bec8f993d91a594"
 dependencies = [
  "bitflags",
  "fallible-iterator",
@@ -1597,9 +1597,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "1.1.5"
+version = "1.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "891efababe418670775f199f0d233d84843c227a0949a883ce15b37c78d6629d"
+checksum = "e5e76742e5294153d4dde1207dbec5bdd81eef6fabdc0d2118babadabfd858aa"
 dependencies = [
  "bitflags",
  "errno",
@@ -2044,8 +2044,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-api"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "bytes",
@@ -2058,8 +2058,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-blob"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "bytes",
@@ -2072,8 +2072,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-bus"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "serde",
  "serde_json",
@@ -2083,8 +2083,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-busproxy"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "bytes",
@@ -2101,8 +2101,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-connect"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "rusqlite",
  "serde_json",
@@ -2113,8 +2113,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-document"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "data-encoding",
@@ -2131,8 +2131,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-kv"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "serde",
@@ -2143,8 +2143,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-queue"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "data-encoding",
@@ -2159,8 +2159,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-secrets"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "tinystoragedrivers-api",
@@ -2170,8 +2170,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-testkit"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "async-trait",
  "bytes",
@@ -2191,8 +2191,8 @@ dependencies = [
 
 [[package]]
 name = "tinystoragedrivers-types"
-version = "2.1.2"
-source = "git+https://github.com/senamakel/tinystoragedrivers?rev=c447da3#c447da319e41dfe17bba4afb1831fe0cf0eef154"
+version = "2.1.3"
+source = "git+https://github.com/tinyhumansai/tinystoragedrivers?rev=f5a33025b9feaa36fea522cce764fe8c796e5139#f5a33025b9feaa36fea522cce764fe8c796e5139"
 dependencies = [
  "serde",
  "serde_json",
@@ -2922,9 +2922,9 @@ checksum = "3ad82d2a33cdc9674dc7465672f271e096168fcdbe0f799d9e6db8c5892679dc"
 
 [[package]]
 name = "xattr"
-version = "1.6.1"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32e45ad4206f6d2479085147f02bc2ef834ac85886624a23575ae137c8aa8156"
+checksum = "963d6fab92d5504b971dc8bd90ca743c2575e590bc8071ea5bc571598667ae08"
 dependencies = [
  "libc",
  "rustix",
diff --git a/Cargo.toml b/Cargo.toml
index 2129665..762eb7f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet"
 version = "0.29.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 license = "GPL-3.0-only"
 description = "Agent-friendly multi-chain wallet primitives in Rust."
 repository = "https://github.com/tinyhumansai/tinywallet"
@@ -62,12 +62,12 @@ resolver = "3"
 tinytools = { git = "https://github.com/tinyhumansai/tinytools", rev = "41cc80ac9acf37a14f20be94f60ee552749f1540" }
 # TinyBus host SDK used by the separately shipped typed client crate. Pin the
 # fork revision that matches the vendored ABI and TSD's bus transport.
-tinybus = { version = "=0.3.12", git = "https://github.com/senamakel/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6", default-features = false, features = ["macros", "modules"] }
+tinybus = { version = "=0.3.12", git = "https://github.com/tinyhumansai/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6", default-features = false, features = ["macros", "modules"] }
 # Runtime-neutral contracts shared with the host's stable TSD release.
-tinystoragedrivers-types = { version = "2.1.2", git = "https://github.com/senamakel/tinystoragedrivers", rev = "c447da3" }
-tinystoragedrivers-api = { version = "2.1.2", git = "https://github.com/senamakel/tinystoragedrivers", rev = "c447da3" }
+tinystoragedrivers-types = { version = "2.1.3", git = "https://github.com/tinyhumansai/tinystoragedrivers", rev = "f5a33025b9feaa36fea522cce764fe8c796e5139" }
+tinystoragedrivers-api = { version = "2.1.3", git = "https://github.com/tinyhumansai/tinystoragedrivers", rev = "f5a33025b9feaa36fea522cce764fe8c796e5139" }
 # The module connects to host-owned storage through the TinyBus adapter.
-tinystoragedrivers-busproxy = { version = "2.1.2", git = "https://github.com/senamakel/tinystoragedrivers", rev = "c447da3" }
+tinystoragedrivers-busproxy = { version = "2.1.3", git = "https://github.com/tinyhumansai/tinystoragedrivers", rev = "f5a33025b9feaa36fea522cce764fe8c796e5139" }
 
 [dependencies]
 # The wire contract. Split out so a host that has moved signing into the
@@ -252,11 +252,6 @@ tinybus = { path = "vendor/tinybus/crates/tinybus" }
 tinybus-module = { path = "vendor/tinybus/crates/tinybus-module" }
 tinybus-macros = { path = "vendor/tinybus/crates/tinybus-macros" }
 
-[patch."https://github.com/senamakel/tinybus"]
-tinybus = { path = "vendor/tinybus/crates/tinybus" }
-tinybus-module = { path = "vendor/tinybus/crates/tinybus-module" }
-tinybus-macros = { path = "vendor/tinybus/crates/tinybus-macros" }
-
 [workspace.lints.rust]
 unsafe_code = "forbid"
 missing_docs = "warn"
diff --git a/crates/tinywallet-bus/Cargo.toml b/crates/tinywallet-bus/Cargo.toml
index c1a1c86..09a76ab 100644
--- a/crates/tinywallet-bus/Cargo.toml
+++ b/crates/tinywallet-bus/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet-bus"
 version = "0.29.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 license = "GPL-3.0-only"
 description = "The TinyBus wire contract for TinyWallet: member names, payload types, and contract version."
 repository = "https://github.com/tinyhumansai/tinywallet"
diff --git a/crates/tinywallet-bus/README.md b/crates/tinywallet-bus/README.md
index 22e0bb0..f5f0e05 100644
--- a/crates/tinywallet-bus/README.md
+++ b/crates/tinywallet-bus/README.md
@@ -6,7 +6,7 @@ x402 ledger's storage collection declarations and stored record vocabulary.
 Collection declarations are bus-owned names, without a storage backend,
 client, or transport dependency.
 
-The bus contract supports Rust 1.88. The excluded collection-contract consumer
+The bus contract supports Rust 1.89. The excluded collection-contract consumer
 checks the public collection names without depending on a storage crate.
 
 Network enums in the bus are identifiers only. RPC endpoints, explorer URLs,
diff --git a/crates/tinywallet-client/Cargo.toml b/crates/tinywallet-client/Cargo.toml
index e73121e..6f3b817 100644
--- a/crates/tinywallet-client/Cargo.toml
+++ b/crates/tinywallet-client/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet-client"
 version = "0.29.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 license = "GPL-3.0-only"
 description = "Typed TinyBus host client for the TinyWallet module."
 repository = "https://github.com/tinyhumansai/tinywallet"
diff --git a/crates/tinywallet-crypto/Cargo.toml b/crates/tinywallet-crypto/Cargo.toml
index 91ba566..3516c88 100644
--- a/crates/tinywallet-crypto/Cargo.toml
+++ b/crates/tinywallet-crypto/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet-crypto"
 version = "0.29.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 license = "GPL-3.0-only"
 description = "Pure crypto-rail primitives for TinyWallet: chains, addresses, reference data, the RPC transport seam, and transaction verification."
 repository = "https://github.com/tinyhumansai/tinywallet"
diff --git a/crates/tinywallet-module/Cargo.toml b/crates/tinywallet-module/Cargo.toml
index 0dec9e0..7c56716 100644
--- a/crates/tinywallet-module/Cargo.toml
+++ b/crates/tinywallet-module/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet-module"
 version = "0.29.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 license = "GPL-3.0-only"
 description = "Trusted TinyBus module adapter for TinyWallet."
 repository = "https://github.com/tinyhumansai/tinywallet"
@@ -46,12 +46,12 @@ tinywallet = { path = "../..", default-features = false, features = [
     "abi",
 ] }
 # TinyBus provides the typed service interface and the dynamic module host ABI.
-tinybus = { version = "=0.3.12", git = "https://github.com/senamakel/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6", default-features = false, features = [
+tinybus = { version = "=0.3.12", git = "https://github.com/tinyhumansai/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6", default-features = false, features = [
     "macros",
     "modules",
 ] }
 # The module-side SDK owns its runtime and exports the stable C entrypoints.
-tinybus-module = { version = "=0.3.12", git = "https://github.com/senamakel/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6" }
+tinybus-module = { version = "=0.3.12", git = "https://github.com/tinyhumansai/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6" }
 # The module runtime drives asynchronous host callbacks and serializes service
 # lifecycle changes against in-flight operations.
 tokio = { version = "1", features = ["macros", "rt-multi-thread", "sync", "time"] }
@@ -101,7 +101,7 @@ workspace = true
 
 [dev-dependencies]
 # Testkit-backed module storage fixtures exercise the host's v2 storage ports.
-tinystoragedrivers-testkit = { version = "2.1.2", git = "https://github.com/senamakel/tinystoragedrivers", rev = "c447da3" }
+tinystoragedrivers-testkit = { version = "2.1.3", git = "https://github.com/tinyhumansai/tinystoragedrivers", rev = "f5a33025b9feaa36fea522cce764fe8c796e5139" }
 # Encodes and decodes the Solana transaction fixtures in native tests.
 base64 = "0.23"
 # The native lifecycle fixture stages and hashes the actual cdylib to attest it.
@@ -110,7 +110,7 @@ sha2 = "0.11"
 tempfile = "3"
 # The loader E2E admits the built module from its adjacent digest manifest and
 # uses TinyBus's shared lifecycle helpers.
-tinybus = { version = "=0.3.12", git = "https://github.com/senamakel/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6", default-features = false, features = [
+tinybus = { version = "=0.3.12", git = "https://github.com/tinyhumansai/tinybus", rev = "85345114f3066e94d5d70161ea8dc43252b83ae6", default-features = false, features = [
     "macros",
     "modules",
     "test-support",
diff --git a/crates/tinywallet-web3/Cargo.toml b/crates/tinywallet-web3/Cargo.toml
index b07524f..b2a2aec 100644
--- a/crates/tinywallet-web3/Cargo.toml
+++ b/crates/tinywallet-web3/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet-web3"
 version = "0.29.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 license = "GPL-3.0-only"
 description = "Wallet, swap, bridge and dapp flows for TinyWallet, behind host seams."
 repository = "https://github.com/tinyhumansai/tinywallet"
diff --git a/crates/tinywallet-x402/Cargo.toml b/crates/tinywallet-x402/Cargo.toml
index 3863a41..6070dd3 100644
--- a/crates/tinywallet-x402/Cargo.toml
+++ b/crates/tinywallet-x402/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet-x402"
 version = "0.29.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 license = "GPL-3.0-only"
 description = "The x402 machine-payment protocol for TinyWallet: wire types, EIP-712 and ERC-20 encoding, the payment ledger, the 402 client, and the x402_request agent tool."
 repository = "https://github.com/tinyhumansai/tinywallet"
@@ -95,7 +95,7 @@ tinywallet = { path = "../..", default-features = false, features = ["key", "sol
 k256 = { version = "0.14", default-features = false, features = ["ecdsa"] }
 ed25519-dalek = { version = "2", default-features = false, features = ["std"] }
 # Native ledger migration tests use an in-memory v2 storage implementation.
-tinystoragedrivers-testkit = { version = "2.1.2", git = "https://github.com/senamakel/tinystoragedrivers", rev = "c447da3" }
+tinystoragedrivers-testkit = { version = "2.1.3", git = "https://github.com/tinyhumansai/tinystoragedrivers", rev = "f5a33025b9feaa36fea522cce764fe8c796e5139" }
 
 [features]
 default = ["wire"]
diff --git a/crates/tinywallet-x402/README.md b/crates/tinywallet-x402/README.md
index 6d5afa7..7d3edf2 100644
--- a/crates/tinywallet-x402/README.md
+++ b/crates/tinywallet-x402/README.md
@@ -95,7 +95,7 @@ migration; it opens only after receiving that host-provisioned storage handle.
   storage handle provided by its host.
 - `tools` needs a compiler new enough for `tinytools` (1.88), and `ledger` for
   the stable `tinystoragedrivers-api` / `tinystoragedrivers-types` contracts
-  (1.88), matching this crate's declared minimum. The other features build on
+  (1.89), matching this crate's declared minimum. The other features build on
   that MSRV, except that `pay` pulls `reqwest`, whose `icu` dependencies need a
-  newer compiler than 1.88 with a current lockfile.
+  newer compiler than 1.89 with a current lockfile.
 - Error strings are user-visible and pinned by tests.
diff --git a/deny.toml b/deny.toml
index 20bc816..393e3fb 100644
--- a/deny.toml
+++ b/deny.toml
@@ -53,9 +53,10 @@ unknown-git = "deny"
 allow-registry = ["https://github.com/rust-lang/crates.io-index"]
 # `tinytools` is a git dependency of `tinywallet-x402` and `tinywallet-web3` (the
 # `tools` features), by rev, so a host that already links it can patch this exact
-# URL to its own copy. Nothing else may come from git.
+# URL to its own copy. tinystoragedrivers and tinybus are pinned to official
+# tinyhumansai revisions. Nothing else may come from git.
 allow-git = [
     "https://github.com/tinyhumansai/tinytools",
-    "https://github.com/senamakel/tinystoragedrivers",
-    "https://github.com/senamakel/tinybus",
+    "https://github.com/tinyhumansai/tinystoragedrivers",
+    "https://github.com/tinyhumansai/tinybus",
 ]
diff --git a/proof-workspaces/storage-contract/Cargo.toml b/proof-workspaces/storage-contract/Cargo.toml
index 1f2a07f..25cb3be 100644
--- a/proof-workspaces/storage-contract/Cargo.toml
+++ b/proof-workspaces/storage-contract/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tinywallet-storage-contract-consumer"
 version = "0.0.0"
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.89"
 publish = false
 
 [workspace]
diff --git a/proof-workspaces/storage-contract/README.md b/proof-workspaces/storage-contract/README.md
index 2d648ae..8c93496 100644
--- a/proof-workspaces/storage-contract/README.md
+++ b/proof-workspaces/storage-contract/README.md
@@ -3,5 +3,5 @@
 This directory is excluded from the TinyWallet workspace and has its own lock
 file. It compiles the public `tinywallet_bus::storage::collections()` API from
 a downstream crate using the bus-owned collection declaration, without a
-TinyStorageDrivers dependency. The CI job runs this consumer with Rust 1.88
+TinyStorageDrivers dependency. The CI job runs this consumer with Rust 1.89
 and `--locked`.
diff --git a/scripts/build-module-in-distro.sh b/scripts/build-module-in-distro.sh
index 8cfd751..b3950de 100644
--- a/scripts/build-module-in-distro.sh
+++ b/scripts/build-module-in-distro.sh
@@ -26,7 +26,7 @@ echo "$rustup_sha  $installer" | sha256sum --check --status || {
   exit 1
 }
 chmod +x "$installer"
-"$installer" -y --profile minimal --default-toolchain 1.88.0 --no-modify-path
+"$installer" -y --profile minimal --default-toolchain 1.89.0 --no-modify-path
 rm -f "$installer"
 source "$HOME/.cargo/env"
 
diff --git a/scripts/test_native_e2e_topology.py b/scripts/test_native_e2e_topology.py
index acc7c7f..42f4f43 100644
--- a/scripts/test_native_e2e_topology.py
+++ b/scripts/test_native_e2e_topology.py
@@ -45,10 +45,10 @@ def _msrv_contract_issues(workflow):
     module_manifest = tomllib.loads((ROOT / "crates/tinywallet-module/Cargo.toml").read_text())
     bus_floor = bus_manifest["package"]["rust-version"]
     module_floor = module_manifest["package"]["rust-version"]
-    if bus_floor != "1.88":
-        issues.append("tinywallet-bus floor must match tinystoragedrivers-types Rust 1.88")
-    if module_floor != "1.88":
-        issues.append("tinywallet-module floor must match its Rust 1.88 runtime dependencies")
+    if bus_floor != "1.89":
+        issues.append("tinywallet-bus floor must match tinystoragedrivers-types Rust 1.89")
+    if module_floor != "1.89":
+        issues.append("tinywallet-module floor must match its Rust 1.89 runtime dependencies")
 
     bus_wire = any(
         target.get("packages") == ["tinywallet-bus"]
@@ -57,7 +57,7 @@ def _msrv_contract_issues(workflow):
         for target in targets
     )
     if not bus_wire:
-        issues.append("shared MSRV matrix must build the bus wire feature at Rust 1.88")
+        issues.append("shared MSRV matrix must build the bus wire feature at Rust 1.89")
     bus_all_features = any(
         target.get("packages") == ["tinywallet-bus"]
         and target.get("all_targets", False)
@@ -65,7 +65,7 @@ def _msrv_contract_issues(workflow):
         for target in targets
     )
     if not bus_all_features:
-        issues.append("shared MSRV matrix must build bus storage vocabulary all-features at Rust 1.88")
+        issues.append("shared MSRV matrix must build bus storage vocabulary all-features at Rust 1.89")
     module_matrix = any(
         target.get("packages") == ["tinywallet-module"]
         and target.get("all_targets", False)
@@ -73,30 +73,30 @@ def _msrv_contract_issues(workflow):
         for target in targets
     )
     if not module_matrix:
-        issues.append("shared MSRV matrix must build all module targets/features at its Rust 1.88 floor")
+        issues.append("shared MSRV matrix must build all module targets/features at its Rust 1.89 floor")
 
     ledger_job = _job_block(workflow, "wallet-ledger-msrv")
-    if "toolchain: '1.88.0'" not in ledger_job:
-        issues.append("x402 ledger feature job must use Rust 1.88.0")
+    if "toolchain: '1.89.0'" not in ledger_job:
+        issues.append("x402 ledger feature job must use Rust 1.89.0")
     if "cargo test --locked -p tinywallet-x402 --features ledger" not in ledger_job:
-        issues.append("Rust 1.88 ledger job must test the x402 ledger consumer")
+        issues.append("Rust 1.89 ledger job must test the x402 ledger consumer")
     if "tinywallet-bus --all-targets --all-features" in ledger_job:
-        issues.append("bus all-features must stay in the bus package's Rust 1.88 matrix target")
+        issues.append("bus all-features must stay in the bus package's Rust 1.89 matrix target")
 
     proof_job = _job_block(workflow, "wallet-storage-contract")
-    if "toolchain: '1.88.0'" not in proof_job or (
+    if "toolchain: '1.89.0'" not in proof_job or (
         "cargo test --locked --manifest-path proof-workspaces/storage-contract/Cargo.toml"
         not in proof_job
     ):
-        issues.append("storage collection contract proof must be tested on Rust 1.88")
+        issues.append("storage collection contract proof must be tested on Rust 1.89")
 
     bus_docs = (ROOT / "crates/tinywallet-bus/README.md").read_text()
     bus_manifest_text = (ROOT / "crates/tinywallet-bus/Cargo.toml").read_text()
     x402_manifest_text = (ROOT / "crates/tinywallet-x402/Cargo.toml").read_text()
-    if "Rust 1.88" not in bus_docs or "tinystoragedrivers-types" in bus_manifest_text:
-        issues.append("bus docs and manifest must keep portable collection declarations free of storage-driver dependencies at Rust 1.88")
-    if not all(word in x402_manifest_text for word in ("1.88", "ledger", "pay", "tools")):
-        issues.append("x402 manifest must document the Rust 1.88 ledger/pay/tools feature floor")
+    if "Rust 1.89" not in bus_docs or "tinystoragedrivers-types" in bus_manifest_text:
+        issues.append("bus docs and manifest must keep portable collection declarations free of storage-driver dependencies at Rust 1.89")
+    if not all(word in x402_manifest_text for word in ("1.89", "ledger", "pay", "tools")):
+        issues.append("x402 manifest must document the Rust 1.89 ledger/pay/tools feature floor")
     return issues
 
 
@@ -111,7 +111,7 @@ def test_msrv_contract_requires_bus_storage_vocabulary_allfeatures_at_its_1_88_f
         self.assertIn(bus_all_features, workflow)
         mutated = workflow.replace(bus_all_features, "", 1)
         self.assertIn(
-            "shared MSRV matrix must build bus storage vocabulary all-features at Rust 1.88",
+            "shared MSRV matrix must build bus storage vocabulary all-features at Rust 1.89",
             _msrv_contract_issues(mutated),
         )
 
@@ -119,11 +119,11 @@ def test_msrv_contract_rejects_lowering_the_x402_ledger_job_toolchain(self):
         workflow = (ROOT / ".github/workflows/ci.yml").read_text()
         ledger_job = _job_block(workflow, "wallet-ledger-msrv")
         self.assertTrue(ledger_job)
-        mutated_job = ledger_job.replace("toolchain: '1.88.0'", "toolchain: '1.85.1'", 1)
+        mutated_job = ledger_job.replace("toolchain: '1.89.0'", "toolchain: '1.85.1'", 1)
         self.assertNotEqual(ledger_job, mutated_job)
         mutated = workflow.replace(ledger_job, mutated_job, 1)
         self.assertIn(
-            "x402 ledger feature job must use Rust 1.88.0",
+            "x402 ledger feature job must use Rust 1.89.0",
             _msrv_contract_issues(mutated),
         )