diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b597e8d..eb45551 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -58,7 +58,7 @@ jobs:
         tar cf plumed-master.tar opt/
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: plumed-master
         path: ~/plumed-master.tar
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4a160dd..210b1b2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
     - name: Build a binary wheel and a source tarball
       run: python3 -m build
     - name: Store the distribution packages
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: python-package-distributions
         path: dist/