diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 308599f..438fd0f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: "rust:alpine"
 
 test:cargo:
   script:
-    - apk add gtk4.0-dev libadwaita-dev
+    - apk add gtk4.0-dev libadwaita-dev musl-dev
     - rustc --version && cargo --version  # Print version info for debugging
     - cargo test --workspace --verbose