diff --git a/README.md b/README.md
index dbdc027..dbd93a5 100644
--- a/README.md
+++ b/README.md
@@ -360,7 +360,7 @@ Find other organization projects at [file-bricks](https://github.com/file-bricks
 <a id="drittanbieter-lizenzen--compliance"></a>
 ## Third-Party Licenses
 
-ProFiler itself is licensed under **AGPL-3.0-only**; see [LICENSE](LICENSE).
+ProFiler itself is licensed under **AGPL-3.0-or-later**; see [LICENSE](LICENSE).
 
 [THIRD_PARTY_LICENSES.md](THIRD_PARTY_LICENSES.md) and [THIRD_PARTY_LICENSES.txt](THIRD_PARTY_LICENSES.txt) list declared direct runtime and optional dependencies plus selected development/build tools, with links to upstream license sources. This is not a complete inventory of transitive packages or bundled binaries and is not a license-compatibility or legal review.
 
diff --git a/README_de.md b/README_de.md
index 35c9a89..f87175e 100644
--- a/README_de.md
+++ b/README_de.md
@@ -360,7 +360,7 @@ Weitere Organisationsprojekte findest du unter [file-bricks](https://github.com/
 <a id="third-party-licenses--compliance"></a>
 ## Drittanbieter-Lizenzen
 
-ProFiler selbst ist unter **AGPL-3.0-only** lizenziert; maßgeblich ist [LICENSE](LICENSE).
+ProFiler selbst ist unter **AGPL-3.0-or-later** lizenziert; maßgeblich ist [LICENSE](LICENSE).
 
 [THIRD_PARTY_LICENSES.md](THIRD_PARTY_LICENSES.md) und [THIRD_PARTY_LICENSES.txt](THIRD_PARTY_LICENSES.txt) führen deklarierte direkte Laufzeit- und optionale Abhängigkeiten sowie ausgewählte Entwicklungs- und Build-Werkzeuge mit Verweisen auf Upstream-Lizenzquellen auf. Das ist kein vollständiges Verzeichnis transitiver Pakete oder gebündelter Binärdateien und keine Lizenzkompatibilitäts- oder Rechtsprüfung.
 
diff --git a/README_es.md b/README_es.md
index 309e530..dea3a32 100644
--- a/README_es.md
+++ b/README_es.md
@@ -107,4 +107,4 @@ ProFiler Suite forma parte del ecosistema de herramientas de escritorio de alto
 
 ## Licencia
 
-Distribuido bajo la licencia [AGPL-3.0-only](LICENSE). Consulte [`NOTICE`](NOTICE) y [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md) para más detalles sobre componentes de terceros.
+Distribuido bajo la licencia [AGPL-3.0-or-later](LICENSE). Consulte [`NOTICE`](NOTICE) y [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md) para más detalles sobre componentes de terceros.
diff --git a/README_ja.md b/README_ja.md
index a9fb59d..cf6ee6d 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -107,4 +107,4 @@ ProFiler Suite は、高品質なローカルデスクトップツール群を
 
 ## ライセンス
 
-[AGPL-3.0-only](LICENSE) ライセンスの下で提供されています。サードパーティ製コンポーネントの詳細は [`NOTICE`](NOTICE) および [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md) をご確認ください。
+[AGPL-3.0-or-later](LICENSE) ライセンスの下で提供されています。サードパーティ製コンポーネントの詳細は [`NOTICE`](NOTICE) および [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md) をご確認ください。
diff --git a/README_ru.md b/README_ru.md
index 55ea0d7..8828a84 100644
--- a/README_ru.md
+++ b/README_ru.md
@@ -107,4 +107,4 @@ ProFiler Suite входит в линейку инструментов **file-br
 
 ## Лицензия
 
-Распространяется под лицензией [AGPL-3.0-only](LICENSE). См. [`NOTICE`](NOTICE) и [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md).
+Распространяется под лицензией [AGPL-3.0-or-later](LICENSE). См. [`NOTICE`](NOTICE) и [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md).
diff --git a/README_zh.md b/README_zh.md
index f7fe6a0..e797cd2 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -107,4 +107,4 @@ ProFiler Suite 隶属于 **file-bricks** / **open-bricks** 本地生产力工具
 
 ## 开源许可证
 
-遵循 [AGPL-3.0-only](LICENSE) 协议发布。详情请查阅 [`NOTICE`](NOTICE) 及 [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md)。
+遵循 [AGPL-3.0-or-later](LICENSE) 协议发布。详情请查阅 [`NOTICE`](NOTICE) 及 [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md)。
diff --git a/llms.txt b/llms.txt
index fc57e0d..1b04e94 100644
--- a/llms.txt
+++ b/llms.txt
@@ -36,7 +36,7 @@ Application settings and indexes use local paths whose exact locations depend on
 
 The Python wheel packages Python runtime modules, locale data, and selected icons; it is not a standalone native executable. The reviewed checkout lacks the Tesseract and Poppler files required by `build_exe.bat`, so the native executable build is currently blocked. No signed MSIX, current WACK result on a built package, or Store submission is evidenced. Staging files do not establish release approval.
 
-The project is licensed under AGPL-3.0-only; see `LICENSE`. Review the exact artifact contents and included license texts before any binary redistribution. The dependency notes do not determine license compatibility.
+The project is licensed under AGPL-3.0-or-later; see `LICENSE`. Review the exact artifact contents and included license texts before any binary redistribution. The dependency notes do not determine license compatibility.
 
 ## Search phrases
 
diff --git a/pyproject.toml b/pyproject.toml
index 4e7f4bd..41764d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ version = "15.0.2"
 description = "Local-first desktop file and document manager with search, preview, and privacy inspection."
 readme = "README.md"
 requires-python = ">=3.11"
-license = "AGPL-3.0-only"
+license = "AGPL-3.0-or-later"
 license-files = ["LICENSE", "NOTICE", "THIRD_PARTY_LICENSES.md", "THIRD_PARTY_LICENSES.txt"]
 authors = [
     {name = "file-bricks Contributors", email = "support@lukasgeiger.com"}
diff --git a/store_package.json b/store_package.json
index 7f7c7d5..a5155b5 100644
--- a/store_package.json
+++ b/store_package.json
@@ -71,7 +71,7 @@
   "age_rating": "3+",
   "privacy_url": "https://github.com/file-bricks/ProFiler/blob/master/PRIVACY_POLICY.md",
   "support_url": "https://github.com/file-bricks/ProFiler/blob/master/SUPPORT.md",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "languages": [
     "de-DE",
     "en-US",
diff --git a/tests/test_security_license_contract.py b/tests/test_security_license_contract.py
index 2290e4d..786b02c 100644
--- a/tests/test_security_license_contract.py
+++ b/tests/test_security_license_contract.py
@@ -157,13 +157,13 @@ def test_no_hardcoded_user_paths_or_plaintext_secrets() -> None:
 
 
 def test_license_parity_across_manifests() -> None:
-    """Ensure the AGPL-3-only grant matches SPDX metadata and packaged license files."""
+    """Ensure the AGPL-3.0-or-later grant matches SPDX metadata and packaged license files."""
     license_text = (ROOT / "LICENSE").read_text(encoding="utf-8")
     assert "GNU AFFERO GENERAL PUBLIC LICENSE" in license_text
     assert "Version 3" in license_text
 
     pyproject_text = (ROOT / "pyproject.toml").read_text(encoding="utf-8")
-    assert 'license = "AGPL-3.0-only"' in pyproject_text
+    assert 'license = "AGPL-3.0-or-later"' in pyproject_text
     assert 'license-files = ["LICENSE", "NOTICE", "THIRD_PARTY_LICENSES.md", "THIRD_PARTY_LICENSES.txt"]' in pyproject_text
     for path in ("LICENSE", "NOTICE", "THIRD_PARTY_LICENSES.md", "THIRD_PARTY_LICENSES.txt"):
         assert (ROOT / path).is_file(), f"Declared license file is missing: {path}"
diff --git a/tests/test_store_materials.py b/tests/test_store_materials.py
index 0865ea2..5d3b1c0 100644
--- a/tests/test_store_materials.py
+++ b/tests/test_store_materials.py
@@ -42,7 +42,7 @@ def test_store_package_matches_project_metadata() -> None:
     assert package["executable"] == "ProFiler.exe"
     assert package["capabilities"] == "runFullTrust"
     assert package["category"] == "Productivity"
-    assert package["license"] == "AGPL-3.0-only"
+    assert package["license"] == "AGPL-3.0-or-later"
     assert package["version"] == f"{_read_version_from_pyproject()}.0"
     assert package["privacy_url"].endswith("/PRIVACY_POLICY.md")
     assert package["support_url"].endswith("/SUPPORT.md")