diff --git a/.github/workflows/buf.yaml b/.github/workflows/buf.yaml
index 512d46e..4c83cf2 100644
--- a/.github/workflows/buf.yaml
+++ b/.github/workflows/buf.yaml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
       - name: Install buf
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5b39e07..9a0bd1b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,7 +21,7 @@ jobs:
         go-version: [ oldstable, stable ]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
       - name: Install go
diff --git a/.github/workflows/conformance.yaml b/.github/workflows/conformance.yaml
index a70fb1e..5d235a1 100644
--- a/.github/workflows/conformance.yaml
+++ b/.github/workflows/conformance.yaml
@@ -20,7 +20,7 @@ jobs:
         go-version: [ 'stable', 'oldstable' ]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
       - name: Install go