diff --git a/docker/docker-image-prune.sh b/docker/docker-image-prune.sh
index 2782398..29f2044 100644
--- a/docker/docker-image-prune.sh
+++ b/docker/docker-image-prune.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-docker image prune -f -a
+sudo docker image prune -f -a