diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 125e0aa58..f1870eb9f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -15,7 +15,7 @@ jobs:
     name: "Build JDK 1.8"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2.3.4
       - name: Set up JDK 1.8
         uses: actions/setup-java@v1
         with:
@@ -26,7 +26,7 @@ jobs:
     name: "Build JDK 11"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2.3.4
       - name: Set up JDK 11
         uses: actions/setup-java@v1
         with:
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 074cd577c..1df69505c 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2.3.4
       - name: Set up JDK
         uses: actions/setup-java@v1
         with: