diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bafd8c8..3f88bb3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@ services:
   - docker:dind
 
 before_script:
-  - apk add make git gnupg openssl bash
+  - apk add make git gnupg openssl bash util-linux
 
 test:
   script: