diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 124c6d0f62720c35ba8d15be84621155fed50d75..dea22a3cd16b24c8d606603f855fe8b94c6b7ab3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,7 +34,7 @@ rust-stable:
   script:
     - rustc --version && cargo --version
     - apt update
-    - apt install -y sqlite3 libmagic1
+    - apt install -y sqlite3 libmagic1 libmagic-dev
     - sqlite3 ephemeral.db < schema.sql
     - cargo build --verbose