diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ef635d0..909af4c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,7 +66,7 @@ jobs:
         run: cargo +stable doc --no-deps
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@e67fa11c4b9316fa714ddf0abed07a0c3143b95b # v2.87.4
+        uses: taiki-e/install-action@1e29709c0ec63babbe8f266397a465f29a825f91 # v2.87.31
         with:
           tool: cargo-llvm-cov@0.9.0
           fallback: none