diff --git a/.github/workflows/javascript.yml b/.github/workflows/javascript.yml
index 79ffdc0..0688194 100644
--- a/.github/workflows/javascript.yml
+++ b/.github/workflows/javascript.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       - name: Install Node.js
         uses: actions/setup-node@v2.1.4
         with:
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index cd529b7..36412ae 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -26,7 +26,7 @@ jobs:
           vcpkgTriplet: x64-windows
         if: matrix.os == 'windows-latest'
 
-      - uses: actions/checkout@v2.3.1
+      - uses: actions/checkout@v2.3.4
       - name: Build
         run: cargo build --verbose
       - name: Run tests