diff --git a/circle.yml b/circle.yml
index 87d0c0d..4e90c4e 100644
--- a/circle.yml
+++ b/circle.yml
@@ -7,6 +7,7 @@ dependencies:
     - docker info
     - docker pull tklx/echo:latest || true
     - docker build -t tklx/echo:latest .
+    - docker images
 
 test:
   pre: