diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b95e69cd..5e29170c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -203,7 +203,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: cachix/cachix-action@v15
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 72c3cb8b..2ea77405 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -85,7 +85,7 @@ jobs:
     runs-on: ${{matrix.os}}
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: cachix/cachix-action@v15