diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 050082f..3f15994 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -17,7 +17,7 @@ jobs:
     
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Prepare Microdown
         run: |
@@ -36,7 +36,7 @@ jobs:
           done
 
       # archive generated HTML so it can be used in another job (reusable workflows cannot have multiple steps)
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: agenda
           path: generated