diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a83914e0..2f9a9f5a 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
       - name: mdBook Action
-        uses: peaceiris/actions-mdbook@adeb05db28a0c0004681db83893d56c0388ea9ea # v1.2.0
+        uses: peaceiris/actions-mdbook@ee69d230fe19748b7abf22df32acaa93833fad08 # v2.0.0
         with:
           mdbook-version: latest
 
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 0c46f74c..fa494581 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -87,7 +87,7 @@ jobs:
           name: lcov.unit-tests.info
           path: lcov
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@ab904c41d6ece82784817410c45d8b8c02684457 # v3
+        uses: codecov/codecov-action@125fc84a9a348dbcf27191600683ec096ec9021c # v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: lcov.unit-tests.info,lcov.integration-tests.info