diff --git a/.github/workflows/api-breakage.yml b/.github/workflows/api-breakage.yml
index 7f371dc..9d88f6e 100644
--- a/.github/workflows/api-breakage.yml
+++ b/.github/workflows/api-breakage.yml
@@ -10,7 +10,7 @@ jobs:
       image: swift:5.9
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     # https://github.com/actions/checkout/issues/766
diff --git a/.github/workflows/gen-docs.yml b/.github/workflows/gen-docs.yml
index 60caf54..8f78945 100644
--- a/.github/workflows/gen-docs.yml
+++ b/.github/workflows/gen-docs.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Install Dependencies