diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 58be556..b40e402 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -53,7 +53,7 @@ lint:py:
     stage: lint
     needs: []
     script:
-        - pip install black==^21.12b0
+        - pip install black==21.12b0
         - black --diff .
 
 lint:js: