diff --git a/.github/workflows/cachix.yaml b/.github/workflows/cachix.yaml
index 6162f344..40c0b0cf 100644
--- a/.github/workflows/cachix.yaml
+++ b/.github/workflows/cachix.yaml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install nix
-        uses: DeterminateSystems/nix-installer-action@v6
+        uses: DeterminateSystems/nix-installer-action@v7
 
       - name: Setup magic-nix-cache
         uses: DeterminateSystems/magic-nix-cache-action@main
diff --git a/.github/workflows/flake-checker.yaml b/.github/workflows/flake-checker.yaml
index c6d4b281..6f38563a 100644
--- a/.github/workflows/flake-checker.yaml
+++ b/.github/workflows/flake-checker.yaml
@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install nix
-        uses: DeterminateSystems/nix-installer-action@v6
+        uses: DeterminateSystems/nix-installer-action@v7
 
       - name: Setup magic-nix-cache
         uses: DeterminateSystems/magic-nix-cache-action@main