diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 99fd545..afda795 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -25,7 +25,7 @@ jobs:
 
       - run: rustup toolchain install stable --profile minimal --component llvm-tools-preview --no-self-update
 
-      - uses: taiki-e/install-action@de6bbd1333b8f331563d54a051e542c7dfef81c3 # v2.68.34
+      - uses: taiki-e/install-action@0d865d5cc6d507df4765f1f866bfae8bab4e2a73 # v2.69.7
         with:
           tool: cargo-llvm-cov
 
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 00897ec..dfb7117 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -20,7 +20,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: cachix/install-nix-action@1ca7d21a94afc7c957383a2d217460d980de4934 # v31.10.1
+      - uses: cachix/install-nix-action@51f3067b56fe8ae331890c77d4e454f6d60615ff # v31.10.2
 
       - uses: ./
         with: