diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ac0207b5..62a8d099 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
   build-host-win:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
       with:
         fetch-depth: 0
         submodules: recursive
@@ -44,7 +44,7 @@ jobs:
   build-host-osx:
     runs-on: macos-10.15
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
       with:
         fetch-depth: 0
         submodules: recursive
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [build-host-win, build-host-osx]
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
     - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
@@ -108,7 +108,7 @@ jobs:
     runs-on: windows-latest
     needs: [build-jar]
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
     - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
@@ -134,7 +134,7 @@ jobs:
     runs-on: macos-10.15
     needs: [build-jar]
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
     - name: Set up JDK 17
       uses: actions/setup-java@v2
       with: