diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 33efaec..258c65e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ build:
   stage: build
   image: golang:1-alpine
   script:
-    - apk add --no-cache imagemagick
+    - apk add --no-cache imagemagick pkgconfig
     - go run main.go
     - mkdir dist
     - mv index.html dist/