diff --git a/.github/workflows/check-maintainers-sorted.yml b/.github/workflows/check-maintainers-sorted.yml
index d69813c62c97..dcc4806e9375 100644
--- a/.github/workflows/check-maintainers-sorted.yml
+++ b/.github/workflows/check-maintainers-sorted.yml
@@ -20,7 +20,7 @@ jobs:
             lib
             maintainers
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/check-nix-format.yml b/.github/workflows/check-nix-format.yml
index 37c32dfcc224..910403e0bb00 100644
--- a/.github/workflows/check-nix-format.yml
+++ b/.github/workflows/check-nix-format.yml
@@ -23,7 +23,7 @@ jobs:
         with:
           ref: ${{ needs.get-merge-commit.outputs.mergedSha }}
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/check-nixf-tidy.yml b/.github/workflows/check-nixf-tidy.yml
index 546ae1351fbc..91a5d4c6c90f 100644
--- a/.github/workflows/check-nixf-tidy.yml
+++ b/.github/workflows/check-nixf-tidy.yml
@@ -34,7 +34,7 @@ jobs:
           rev=$(jq -r .rev ci/pinned-nixpkgs.json)
           echo "url=https://github.com/NixOS/nixpkgs/archive/$rev.tar.gz" >> "$GITHUB_ENV"
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
           nix_path: nixpkgs=${{ env.url }}
diff --git a/.github/workflows/check-shell.yml b/.github/workflows/check-shell.yml
index 2ba1ec405d71..9c02e26be178 100644
--- a/.github/workflows/check-shell.yml
+++ b/.github/workflows/check-shell.yml
@@ -27,7 +27,7 @@ jobs:
         with:
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
 
       - name: Build shell
         run: nix-build shell.nix
diff --git a/.github/workflows/codeowners-v2.yml b/.github/workflows/codeowners-v2.yml
index d2b33755687e..831a58fdd74a 100644
--- a/.github/workflows/codeowners-v2.yml
+++ b/.github/workflows/codeowners-v2.yml
@@ -45,7 +45,7 @@ jobs:
     needs: get-merge-commit
     if: github.repository_owner == 'NixOS' && needs.get-merge-commit.outputs.mergedSha
     steps:
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
 
       - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
         with:
@@ -92,7 +92,7 @@ jobs:
     runs-on: ubuntu-24.04
     if: github.repository_owner == 'NixOS'
     steps:
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
 
       # Important: Because we use pull_request_target, this checks out the base branch of the PR, not the PR head.
       # This is intentional, because we need to request the review of owners as declared in the base branch.
diff --git a/.github/workflows/editorconfig-v2.yml b/.github/workflows/editorconfig-v2.yml
index 9046b25032cd..436b7c339e8c 100644
--- a/.github/workflows/editorconfig-v2.yml
+++ b/.github/workflows/editorconfig-v2.yml
@@ -32,7 +32,7 @@ jobs:
         with:
           ref: ${{ needs.get-merge-commit.outputs.mergedSha }}
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           # nixpkgs commit is pinned so that it doesn't break
           # editorconfig-checker 2.4.0
diff --git a/.github/workflows/eval-lib-tests.yml b/.github/workflows/eval-lib-tests.yml
index 47bfa61d4c9c..84d9562c220d 100644
--- a/.github/workflows/eval-lib-tests.yml
+++ b/.github/workflows/eval-lib-tests.yml
@@ -22,7 +22,7 @@ jobs:
         with:
           ref: ${{ needs.get-merge-commit.outputs.mergedSha }}
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/eval.yml b/.github/workflows/eval.yml
index cf4b06557756..abed73db63e4 100644
--- a/.github/workflows/eval.yml
+++ b/.github/workflows/eval.yml
@@ -43,7 +43,7 @@ jobs:
           echo "targetSha=$targetSha" >> "$GITHUB_OUTPUT"
 
       - name: Install Nix
-        uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+        uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
@@ -71,7 +71,7 @@ jobs:
           path: nixpkgs
 
       - name: Install Nix
-        uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+        uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
@@ -111,7 +111,7 @@ jobs:
           path: nixpkgs
 
       - name: Install Nix
-        uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+        uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
@@ -152,7 +152,7 @@ jobs:
           path: nixpkgs
 
       - name: Install Nix
-        uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+        uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
@@ -260,7 +260,7 @@ jobs:
           path: comparison
 
       - name: Install Nix
-        uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+        uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
 
       # Important: This workflow job runs with extra permissions,
       # so we need to make sure to not run untrusted code from PRs
diff --git a/.github/workflows/keep-sorted.yml b/.github/workflows/keep-sorted.yml
index 2433c7b57264..b23295a23af4 100644
--- a/.github/workflows/keep-sorted.yml
+++ b/.github/workflows/keep-sorted.yml
@@ -27,7 +27,7 @@ jobs:
           rev=$(jq -r .rev ci/pinned-nixpkgs.json)
           echo "url=https://github.com/NixOS/nixpkgs/archive/$rev.tar.gz" >> "$GITHUB_ENV"
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
           nix_path: nixpkgs=${{ env.url }}
diff --git a/.github/workflows/manual-nixos-v2.yml b/.github/workflows/manual-nixos-v2.yml
index 2369f3b251f3..abe8ac3d2d4f 100644
--- a/.github/workflows/manual-nixos-v2.yml
+++ b/.github/workflows/manual-nixos-v2.yml
@@ -33,7 +33,7 @@ jobs:
         with:
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/manual-nixpkgs-v2.yml b/.github/workflows/manual-nixpkgs-v2.yml
index 874f6c3ef58e..88356e1d229f 100644
--- a/.github/workflows/manual-nixpkgs-v2.yml
+++ b/.github/workflows/manual-nixpkgs-v2.yml
@@ -20,7 +20,7 @@ jobs:
         with:
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
 
diff --git a/.github/workflows/nix-parse-v2.yml b/.github/workflows/nix-parse-v2.yml
index 497bba08ae97..f149dc481ca7 100644
--- a/.github/workflows/nix-parse-v2.yml
+++ b/.github/workflows/nix-parse-v2.yml
@@ -32,7 +32,7 @@ jobs:
           ref: ${{ needs.get-merge-commit.outputs.mergedSha }}
         if: ${{ env.CHANGED_FILES && env.CHANGED_FILES != '' }}
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
         with:
           extra_nix_config: sandbox = true
           nix_path: nixpkgs=channel:nixpkgs-unstable
diff --git a/.github/workflows/nixpkgs-vet.yml b/.github/workflows/nixpkgs-vet.yml
index dd4a8c2b7ab8..b46f926d8cad 100644
--- a/.github/workflows/nixpkgs-vet.yml
+++ b/.github/workflows/nixpkgs-vet.yml
@@ -43,7 +43,7 @@ jobs:
           git worktree add "$target" "$(git rev-parse HEAD^1)"
           echo "target=$target" >> "$GITHUB_ENV"
 
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
+      - uses: cachix/install-nix-action@754537aaedb35f72ab11a60cc162c49ef3016495 # v31
 
       - name: Fetching the pinned tool
         # Update the pinned version using ci/nixpkgs-vet/update-pinned-tool.sh