diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 18ff6fd..44d4085 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -47,7 +47,7 @@ jobs:
     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         persist-credentials: false
-    - uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31.10.7
+    - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342 # v31.11.0
       with:
         extra_nix_config: |
           extra-platforms = ${{ matrix.extraPlatforms }}
@@ -76,7 +76,7 @@ jobs:
     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         persist-credentials: false
-    - uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31.10.7
+    - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342 # v31.11.0
     - name: Run zizmor 🌈
       run: nix develop .#zizmor --command zizmor --persona=auditor --format=sarif . >results.sarif 
       env:
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index e8ff77e..efc3c1a 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -21,7 +21,7 @@ jobs:
     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         persist-credentials: false
-    - uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31.10.7
+    - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342 # v31.11.0
     - uses: cachix/cachix-action@5f2d7c5294214f71b873db4b969586b980625e71 # v17
       with:
         name: ipetkov