diff --git a/.github/workflows/flow-pr.yml b/.github/workflows/flow-pr.yml
index 0f7fe8d..ce6843b 100644
--- a/.github/workflows/flow-pr.yml
+++ b/.github/workflows/flow-pr.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
         with:
           persist-credentials: false
-      - uses: cachix/install-nix-action@9f70348d77d0422624097c4b7a75563948901306 # v29
+      - uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Try to update nix flake
diff --git a/.github/workflows/flow-release.yml b/.github/workflows/flow-release.yml
index c3e252f..23026f8 100644
--- a/.github/workflows/flow-release.yml
+++ b/.github/workflows/flow-release.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
         with:
           persist-credentials: false
-      - uses: cachix/install-nix-action@9f70348d77d0422624097c4b7a75563948901306 # v29
+      - uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Import GPG key