diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index dee41d6a..4f359d74 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,7 +20,7 @@ jobs:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
       - name: Install Go
diff --git a/.github/workflows/conformance.yaml b/.github/workflows/conformance.yaml
index 341b4383..76e69473 100644
--- a/.github/workflows/conformance.yaml
+++ b/.github/workflows/conformance.yaml
@@ -20,7 +20,7 @@ jobs:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
       - name: Install Go
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index a6d243d2..4523f02b 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -12,7 +12,7 @@ jobs:
       name: release
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Set VERSION variable from tag
@@ -39,7 +39,7 @@ jobs:
     needs: build
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0