diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b2de19f..994d341 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
           - ubuntu-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.3.0
       - uses: actions/setup-node@v2.1.5
         with:
           node-version: ${{matrix.node}}
diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 5718c0c..b1433d8 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -7,7 +7,7 @@ jobs:
     name: Scheduled fitness function verification
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.3.0
       - uses: actions/setup-node@v2.1.5
         with:
           node-version: 14
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 5d95539..31279ab 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -19,7 +19,7 @@ jobs:
           - ubuntu-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.3.0
       - uses: actions/setup-node@v2.1.5
         with:
           node-version: ${{matrix.node}}