diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8479119..64d8683 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,7 @@ publish-pypi:
   stage: package
   image: python:3.12.2-alpine3.19
   script:
-    - apk add --no-cache gcc
+    - apk add --no-cache gcc musl-dev
     - pip install chardet poetry
     - poetry config virtualenvs.in-project true
     - poetry install -E compiler