diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index fc4dbd19..4958bc02 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -19,7 +19,7 @@ jobs:
         go-version: ^1.16
 
     - name: Check out code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Build
       run: go build -v ./...
diff --git a/.github/workflows/gofmt.yml b/.github/workflows/gofmt.yml
index be08f8fb..86a7655a 100644
--- a/.github/workflows/gofmt.yml
+++ b/.github/workflows/gofmt.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
 
     - name: Check out code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Check gofmt
       uses: Jerome1337/gofmt-action@v1.0.5
diff --git a/.github/workflows/psl-update.yml b/.github/workflows/psl-update.yml
index e81d06f2..fab84a0c 100644
--- a/.github/workflows/psl-update.yml
+++ b/.github/workflows/psl-update.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
 
       - name: Check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Go
         uses: actions/setup-go@v5