diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 48b3f1d61259..276cf738f8a6 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -92,7 +92,7 @@ jobs:
         env:
           EXPECTED_SHA: ${{ inputs.commit }}
 
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3  # v31.10.6
+      - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342  # v31.11.0
         with:
           extra_nix_config: sandbox = true
 
@@ -211,7 +211,7 @@ jobs:
           merge-multiple: true
           path: raw-results
 
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3  # v31.10.6
+      - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342  # v31.11.0
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/build-shared.yml b/.github/workflows/build-shared.yml
index 1cd660daadde..94cda2f9ecde 100644
--- a/.github/workflows/build-shared.yml
+++ b/.github/workflows/build-shared.yml
@@ -48,7 +48,7 @@ jobs:
           tar xzf tarballs/*.tar.gz -C "$RUNNER_TEMP"
           echo "TAR_DIR=$RUNNER_TEMP/$(basename tarballs/*.tar.gz .tar.gz)" >> "$GITHUB_ENV"
 
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3  # v31.10.6
+      - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342  # v31.11.0
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/nix-changes.yml b/.github/workflows/nix-changes.yml
index ddf192603590..5546730d38c7 100644
--- a/.github/workflows/nix-changes.yml
+++ b/.github/workflows/nix-changes.yml
@@ -50,7 +50,7 @@ jobs:
           sparse-checkout: '*.nix'
           sparse-checkout-cone-mode: false
 
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3  # v31.10.6
+      - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342  # v31.11.0
         with:
           extra_nix_config: sandbox = true
 
@@ -127,7 +127,7 @@ jobs:
           persist-credentials: false
           sparse-checkout: '*.nix'
           sparse-checkout-cone-mode: false
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3  # v31.10.6
+      - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342  # v31.11.0
       - name: Lint Nix files
         run: |
           nix-shell -I nixpkgs=./tools/nix/pkgs.nix -p 'nixfmt-tree' --run '
diff --git a/.github/workflows/test-shared.yml b/.github/workflows/test-shared.yml
index 3638aa51371f..056c1ae4b576 100644
--- a/.github/workflows/test-shared.yml
+++ b/.github/workflows/test-shared.yml
@@ -179,7 +179,7 @@ jobs:
           tar xzf tarballs/*.tar.gz -C "$RUNNER_TEMP"
           echo "TAR_DIR=$RUNNER_TEMP/$(basename tarballs/*.tar.gz .tar.gz)" >> "$GITHUB_ENV"
 
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3  # v31.10.6
+      - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342  # v31.11.0
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/tools.yml b/.github/workflows/tools.yml
index e5ea38b755c3..9ee3b8b45e13 100644
--- a/.github/workflows/tools.yml
+++ b/.github/workflows/tools.yml
@@ -321,7 +321,7 @@ jobs:
           allow-prereleases: true
       - name: Set up Nix
         if: matrix.id == 'nixpkgs-unstable' && (github.event_name == 'schedule' || inputs.id == 'all' || inputs.id == matrix.id)
-        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3  # v31.10.6
+        uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342  # v31.11.0
       - run: ${{ matrix.run }}
         if: github.event_name == 'schedule' || inputs.id == 'all' || inputs.id == matrix.id
         env: