diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a77216a..4d1fd8d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,7 +29,7 @@ jobs:
     - name: Install Rust LLVM tools preview
       run: rustup component add llvm-tools-preview
     - name: Install Rust coverage tool
-      uses: taiki-e/install-action@25435dc8dd3baed7417e0c96d3fe89013a5b2e09 # v2.81.3
+      uses: taiki-e/install-action@fd2f5e3d644b484055ebf4268f474c565f148f25 # v2.81.9
       with:
         tool: cargo-llvm-cov
     - name: Fetch Rust dependencies