diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ebebf21..7508d4d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,7 +34,7 @@ install:
   extends: .pip template
   stage: install
   script:
-    - apk add --no-cache gcc g++ yaml-dev python3-dev git
+    - apk add --no-cache gcc g++ yaml-dev python3-dev olm-dev git
     - python3 -m venv "${VIRTUAL_ENV}"
     - pip install .[all]
     - pip install -U build twine