diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 387e1a8..a0cc07b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,7 +12,7 @@ test:
     - mkdir dist
     - touch dist/index.html
     - apt-get update
-    - apt-get -y install libssl-dev
+    - apt-get -y install libssl-dev pkg-config
     - cargo test
 
 build:bin:
@@ -28,7 +28,7 @@ build:bin:
     - linux
   script:
     - apt-get update
-    - apt-get -y install nodejs npm libssl-dev
+    - apt-get -y install nodejs npm libssl-dev pkg-config
     - wget https://github.com/mozilla/sccache/releases/download/v0.2.15/sccache-v0.2.15-x86_64-unknown-linux-musl.tar.gz
     - tar xzf sccache-v0.2.15-x86_64-unknown-linux-musl.tar.gz
     - mv sccache-v0.2.15-x86_64-unknown-linux-musl/sccache /usr/local/bin/sccache