diff --git a/.circleci/config.yml b/.circleci/config.yml
index e4d32a9e3..6e5615f33 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -261,7 +261,7 @@ jobs:
       - run:
           name: Build development contracts
           command: |
-            docker run --volumes-from with_code cosmwasm/workspace-optimizer:0.12.1
+            docker run --volumes-from with_code cosmwasm/workspace-optimizer:0.12.7
             docker cp with_code:/code/artifacts ./artifacts
       - run:
           name: Show data