diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c9e319a1..40ef66da0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -175,7 +175,7 @@ jobs:
     - name: Looking up the installer tarball URL
       id: installer-tarball-url
       run: echo "installer-url=file://$GITHUB_WORKSPACE/out" >> "$GITHUB_OUTPUT"
-    - uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
+    - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
       if: ${{ !matrix.rust-installer }}
       with:
         install_url: ${{ format('{0}/install', steps.installer-tarball-url.outputs.installer-url) }}
@@ -223,7 +223,7 @@ jobs:
         id: installer-tarball-url
         run: |
           echo "installer-url=file://$GITHUB_WORKSPACE/out" >> "$GITHUB_OUTPUT"
-      - uses: cachix/install-nix-action@616559265b40713947b9c190a8ff4b507b5df49b # v31.10.4
+      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           install_url: ${{ format('{0}/install', steps.installer-tarball-url.outputs.installer-url) }}
           install_options: ${{ format('--tarball-url-prefix {0}', steps.installer-tarball-url.outputs.installer-url) }}