diff --git a/.github/workflows/flake-updates.yml b/.github/workflows/flake-updates.yml
index 480bcb0..f2ec987 100644
--- a/.github/workflows/flake-updates.yml
+++ b/.github/workflows/flake-updates.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 8ab1883..79b4fcc 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             accept-flake-config = true