diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5d8c4e6af51327b30690b6008f8ff1fea4ad9c3e..768102ff5bf08dc221b0153f9e5de12000eecd32 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -41,7 +41,7 @@ build:debian:
   image: debian:stable
   stage: build
   before_script:
-    - apt update && apt install -y build-essential python3-pip cmake
+    - apt update && apt install -y build-essential python3-pip cmake pkg-config
     - apt install -y libgl-dev
     - pip install conan
   script: