diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f49ab89ad0f045827346a61e81da13a6981896d7..313f2b054150eb410184dd38de07b34f8b7cd2f7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: python:3.6-alpine
 
 pages:
   script:
-  - pkg install pkg-config
+  - apk add --no-cache pkg-config
   - apk add --no-cache pkgconfig
   - apk add --no-cache freetype
   - pip install -r requirements.txt