diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ac4405e..0a74efc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
         architecture: [ 'x64' ]
     name: Build with JDK ${{ matrix.java }} on ${{ matrix.architecture }}
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v2.3.5
       - name: Setup JDK
         uses: actions/setup-java@v1
         with:
diff --git a/.github/workflows/guide-website-update.yml b/.github/workflows/guide-website-update.yml
index e443680..43521e9 100644
--- a/.github/workflows/guide-website-update.yml
+++ b/.github/workflows/guide-website-update.yml
@@ -10,7 +10,7 @@ jobs:
   antora:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v2.3.5
         with:
           repository: hazelcast-guides/guides-site
           ref: master