diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 25f7524fd002844081b47273d5bfac2e0daa06c0..f7c426abcdb13868d8c197fa6b10fe6d3fb09c23 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,5 +16,5 @@ Build docker image:
   before_script:
     - echo -n $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
   script:
-    - docker build --tag $IMG https://github.com/stac-utils/pgstac
+    - docker build --tag $IMG https://github.com/stac-utils/pgstac.git
     - docker push $IMG