diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e76baa7..460008b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,6 +6,6 @@ stages:
 build:
   stage: build
   script:
-    - apt update && apt install -y build-essential
+    - apt update && apt install -y build-essential cmake
     - gcc --version
     - mkdir -p build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j