diff --git a/.github/workflows/nix-linux.yml b/.github/workflows/nix-linux.yml
index b0de1b26b..606f3ce70 100644
--- a/.github/workflows/nix-linux.yml
+++ b/.github/workflows/nix-linux.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes
diff --git a/.github/workflows/nix-macos.yml b/.github/workflows/nix-macos.yml
index 46f57a184..4c7c66e72 100644
--- a/.github/workflows/nix-macos.yml
+++ b/.github/workflows/nix-macos.yml
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes