diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 04d201555a2a426849dcfa8b52d0d237356881bb..9bb4e98593b268e7e020a45ae19a4f86a1abb559 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,7 +27,7 @@ linux:build:
     - docker
 
   script:
-    - DEBIAN_FRONTEND=noninteractive apt update && apt install -y g++ libmsgpack-dev liburiparser-dev libgnutls28-dev cmake
+    - DEBIAN_FRONTEND=noninteractive apt update && apt install -y g++ libmsgpack-dev liburiparser-dev libgnutls28-dev cmake ninja-build
     - mkdir build && cd build
     - cmake $CI_PROJECT_DIR -GNinja -DCMAKE_CXX_FLAGS="-fdiagnostics-color" -DUSE_CPPCHECK=FALSE -DCMAKE_BUILD_TYPE=Release -DCPACK_GENERATOR=DEB
     - ninja