diff --git a/.github/workflows/demo.yml b/.github/workflows/demo.yml
index dd27bca..18ca05c 100644
--- a/.github/workflows/demo.yml
+++ b/.github/workflows/demo.yml
@@ -50,7 +50,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install nix
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
 
       - uses: cachix/cachix-action@v15
         with:
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 427c281..edbf611 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -32,7 +32,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install nix
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
 
       - name: Setup Caching
         uses: cachix/cachix-action@v15