diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 8c37dc89..57d30a3f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -71,7 +71,7 @@ jobs:
         with:
           toolchain: nightly-2025-10-18
       - name: Install cargo-check-external-types
-        uses: taiki-e/cache-cargo-install-action@v3
+        uses: taiki-e/cache-cargo-install-action@v3.0.7
         with:
           tool: cargo-check-external-types@0.4.0
       - uses: taiki-e/install-action@cargo-hack