diff --git a/.circleci/config.yml b/.circleci/config.yml
index db0ad80b..7ef9d72d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -20,7 +20,6 @@ jobs:
       - run:
           name: Generate unique GUIDs for each atomic test
           command: |
-            chmod +x bin/generate-guids.rb
             bin/generate-guids.rb
 
       - run: