diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 947910d9..94f70577 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/check.yaml
@@ -30,7 +30,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Nix
-        uses: cachix/install-nix-action@448cde739abec1eaf0646249e3d25bb8d9bc7702 # v31
+        uses: cachix/install-nix-action@75c75c31ebece974e48ebc36b4ad125bd97bd97b # v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
 
diff --git a/.github/workflows/generate.yaml b/.github/workflows/generate.yaml
index c2562aeb..ad764f1a 100644
--- a/.github/workflows/generate.yaml
+++ b/.github/workflows/generate.yaml
@@ -24,7 +24,7 @@ jobs:
           submodules: recursive
 
       - name: Setup Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7
         with:
           python-version: "3.13"
 
diff --git a/.github/workflows/github-pages.yaml b/.github/workflows/github-pages.yaml
index 7c847c45..2273c5d7 100644
--- a/.github/workflows/github-pages.yaml
+++ b/.github/workflows/github-pages.yaml
@@ -31,7 +31,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install Nix
-        uses: cachix/install-nix-action@448cde739abec1eaf0646249e3d25bb8d9bc7702 # v31
+        uses: cachix/install-nix-action@75c75c31ebece974e48ebc36b4ad125bd97bd97b # v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
 
diff --git a/.github/workflows/update_and_lint.yaml b/.github/workflows/update_and_lint.yaml
index e40e2573..06d78f0e 100644
--- a/.github/workflows/update_and_lint.yaml
+++ b/.github/workflows/update_and_lint.yaml
@@ -22,7 +22,7 @@ jobs:
           submodules: recursive
 
       - name: Install Nix
-        uses: cachix/install-nix-action@448cde739abec1eaf0646249e3d25bb8d9bc7702 # v31
+        uses: cachix/install-nix-action@75c75c31ebece974e48ebc36b4ad125bd97bd97b # v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable