diff --git a/README.md b/README.md
index 8b49f39..bec426f 100644
--- a/README.md
+++ b/README.md
@@ -101,6 +101,13 @@ Below are instructions for how to deploy this NOMAD Oasis distribution
     ```
 
     and then repeat steps 4. and 5. above.
+8. Clean up old container images:
+
+    You can remove unused images to free up space by running:
+
+    ```sh
+    docker image prune -a
+    ```
 
 #### NOMAD Remote Tools Hub (NORTH)