diff --git a/.github/workflows/markdown.yaml b/.github/workflows/markdown.yaml
index 61d74f8..aa4d2ea 100644
--- a/.github/workflows/markdown.yaml
+++ b/.github/workflows/markdown.yaml
@@ -15,7 +15,7 @@ jobs:
     
     steps:
       - name: Check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Lint Markdown
         uses: Adzz/yarn_command_action@v2.0.0
diff --git a/.github/workflows/pdf.yaml b/.github/workflows/pdf.yaml
index 6916787..0d32859 100644
--- a/.github/workflows/pdf.yaml
+++ b/.github/workflows/pdf.yaml
@@ -14,7 +14,7 @@ jobs:
     name: Publish Document
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Publish PDF Document
         uses: shrink/actions-document-publish@v1