diff --git a/circle.yml b/circle.yml
index 3a469b0a3..0134ed8f2 100644
--- a/circle.yml
+++ b/circle.yml
@@ -164,6 +164,8 @@ jobs:
       - run:
           name: Test
           command: cargo test
+      - attach_workspace:
+          at: ~/build
       - run:
           name: Test with evmc-vmtester
           command: |