diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d0ff8c5..4d0710b9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -109,7 +109,7 @@ jobs:
           curl -s http://localhost:33333/ReBenchDB-integration-test/data/$EXPID.csv.gz > /dev/null
 
           sleep 10 # give the server some time to generate the files
-          chown $(whoami):$(id -g -n) ${{ github.workspace }}/*.gz
+          sudo chown $(whoami):$(id -g -n) ${{ github.workspace }}/*.gz
           ls -lah ${{ github.workspace }}
           curl -sL http://localhost:33333/ReBenchDB-integration-test/data/$EXPID.json.gz -o actual.json.gz
           curl -sL http://localhost:33333/ReBenchDB-integration-test/data/$EXPID.csv.gz -o actual.csv.gz