diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 32bebdf64..8d721c8d8 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -53,6 +53,8 @@ jobs:
         run: |
           # Prune all images older than 2 weeks
           # The images are still on github registry
+          apt install jq
+          jq --arg dataRoot "/home/runner/work/milabench/milabench" '. + { "data-root": $dataRoot }' "/etc/docker/daemon.json"
           cat /etc/docker/daemon.json
           docker image prune -f -a --filter "until=336h"
           docker system prune -f