diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 241031ac2..da798e117 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -131,7 +131,7 @@ jobs:
 
     - name: Upload artifacts
       if: always()
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: results-${{ matrix.os }}
         path: |
diff --git a/.github/workflows/update-lockfile.yaml b/.github/workflows/update-lockfile.yaml
index 56342220b..d9fd9d363 100644
--- a/.github/workflows/update-lockfile.yaml
+++ b/.github/workflows/update-lockfile.yaml
@@ -38,7 +38,7 @@ jobs:
         pixi workspace export conda-environment -e default envs/environment.yaml -n pypsa-eur
 
     - name: Upload artifacts
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: lockfiles
         path: |
@@ -51,7 +51,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Download all artifacts
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v8
       with:
         name: lockfiles