diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ac3b55c0ad20f742bb6b3e6a5993d4f941c4b677..4b6a31042659cb3d1368fd40c95b693544a20a42 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,7 @@ variables:
 
 .show-version:
   before_script:
-    - apt-get update; apt-get install -y --no-install-recommends pkg-config libssl-dev
+    - apt-get update; apt-get install -y --no-install-recommends pkg-config libssl-dev libicu-dev
     - rustc --version
     - cargo --version