diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 95a39ab..a503cdf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -231,7 +231,7 @@ jobs:
         fi
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ runner.os }}-artifact
         path: artifact/pandoc-plot*
@@ -274,7 +274,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - uses: actions/download-artifact@v2
+    - uses: actions/download-artifact@v4
     
     - name: Compress artifacts and move to assets
       run: |