diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4eb663f0c..f4b073057 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -672,7 +672,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v30
 
         # For PRs
       - name: Setup Nix Magic Cache
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 0c8cfde67..5e978f356 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@9f70348d77d0422624097c4b7a75563948901306 # v29
+      - uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
 
       - uses: DeterminateSystems/update-flake-lock@v24
         with: