diff --git a/.github/workflows/build-pdf.yml b/.github/workflows/build-pdf.yml
index d25afb2..a90c34b 100644
--- a/.github/workflows/build-pdf.yml
+++ b/.github/workflows/build-pdf.yml
@@ -31,7 +31,7 @@ jobs:
     steps:
       # Checkout the repository
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -45,7 +45,7 @@ jobs:
 
       # Upload the built PDF files as a single artifact
       - name: Upload Build Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: Build Artifacts
           path: ${{ github.workspace }}/build/*.pdf