diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1108fd9c86c..886b0bb7361 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@05ff4d48eb41d03d3dd88c735b6ad20c1a69b580 # v2
+        uses: taiki-e/install-action@78f94f416b0a5d85b2292e3a2220f625d9cbfc62 # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index b17284d4c16..03a00fc0e87 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Build rustdoc
         run: cargo doc --all-features --workspace
       - name: Install mdbook
-        uses: taiki-e/install-action@05ff4d48eb41d03d3dd88c735b6ad20c1a69b580 # v2
+        uses: taiki-e/install-action@78f94f416b0a5d85b2292e3a2220f625d9cbfc62 # v2
         with:
           tool: mdbook@0.4
       - name: Run mdbook
diff --git a/.github/workflows/hakari.yml b/.github/workflows/hakari.yml
index 3556f94d805..52cbbdf2164 100644
--- a/.github/workflows/hakari.yml
+++ b/.github/workflows/hakari.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: dtolnay/rust-toolchain@stable
       - name: Install cargo-hakari
-        uses: taiki-e/install-action@05ff4d48eb41d03d3dd88c735b6ad20c1a69b580 # v2
+        uses: taiki-e/install-action@78f94f416b0a5d85b2292e3a2220f625d9cbfc62 # v2
         with:
           tool: cargo-hakari
       - name: Check workspace-hack Cargo.toml is up-to-date