diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0ea2ae1..c0a52a4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,8 +27,10 @@ lint:
 
 test:
   stage: test
-  image: bats/bats:latest
+  image: alpine
   before_script:
-    - --version
+    - apk add git bash
+    - git clone https://github.com/bats-core/bats-core.git
+    - ./bats-core/bin/bats --version
   script:
-    - -r .
+    - ./bats-core/bin/bats -r .