diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1adfca8..97d5e37 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 image: ubuntu
 
 before_script:
-  - apt-get update -qq && apt-get install -y -qq curl libssl-dev build-essential
+  - apt-get update -qq && apt-get install -y -qq curl libssl-dev pkg-config build-essential
   - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly -y
 
 build: