diff --git a/.forgejo/workflows/cachix.yaml b/.forgejo/workflows/cachix.yaml
index 6697dd6..61ca708 100644
--- a/.forgejo/workflows/cachix.yaml
+++ b/.forgejo/workflows/cachix.yaml
@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: apt update && apt install -y sudo
-      - uses: https://github.com/cachix/install-nix-action@v30
+      - uses: https://github.com/cachix/install-nix-action@v31
         with:
           enable_kvm: false
           github_access_token: '${{ secrets.ACCESS_TOKEN_GITHUB }}'
diff --git a/.forgejo/workflows/update.yaml b/.forgejo/workflows/update.yaml
index c9a25c5..e96cb0c 100644
--- a/.forgejo/workflows/update.yaml
+++ b/.forgejo/workflows/update.yaml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: apt update && apt install -y sudo
-      - uses: https://github.com/cachix/install-nix-action@v30
+      - uses: https://github.com/cachix/install-nix-action@v31
         with:
           enable_kvm: false
           github_access_token: '${{ secrets.ACCESS_TOKEN_GITHUB }}'