diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 42bde4f5a..44bebff52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Lint (rustfmt)
         run: cargo xfmt --check
       - name: Install cargo readme
-        uses: taiki-e/install-action@e96513f64c39eb6ebc73e13b6e8470317202483a # v2
+        uses: taiki-e/install-action@c28440593e2689ec0c3803c7468907b0c00bff63 # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 34cc1edd4..f7e7f043f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
       - name: Install cargo release
-        uses: taiki-e/install-action@e96513f64c39eb6ebc73e13b6e8470317202483a # v2
+        uses: taiki-e/install-action@c28440593e2689ec0c3803c7468907b0c00bff63 # v2
         with:
           tool: cargo-release@0.25.0
       - uses: taiki-e/create-gh-release-action@72d65cee1f8033ef0c8b5d79eaf0c45c7c578ce3 # v1