diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 5a2986f..e773c21 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -8,7 +8,7 @@
       "runs-on": "ubuntu-latest",
       strategy: { matrix: { "go-version": [ "stable", "oldstable"] } },
       steps: [
-        { name: "Check out code into the Go module directory", uses: "actions/checkout@v3" },
+        { name: "Check out code into the Go module directory", uses: "actions/checkout@v4" },
         {
           name: "Set up Go ${{ matrix.go-version }}",
           uses: "actions/setup-go@v4",
diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index aee7c44..1bb7a51 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -11,7 +11,7 @@
       name: "Build",
       "runs-on": "ubuntu-latest",
       steps: [
-        {name: "Check out code into the Go module directory", uses: "actions/checkout@v1"},
+        {name: "Check out code into the Go module directory", uses: "actions/checkout@v4"},
         {name: "Test master", run: "make test-master"},
         {name: "Test release", run: "make test-release"},
       ],