diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b286a1880a9fd2b4f3c746ed16d55841c05b2012..19ef51013e7ea091e21a11fd8daf6543026374e3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,7 +16,7 @@ stages:
     - echo "$(cat cmake-${CMAKE_VERSION}-SHA-256.txt | grep cmake-${CMAKE_VERSION}.tar.gz)" | sha256sum --check --status
     - tar -xzf cmake-${CMAKE_VERSION}.tar.gz
     - cd cmake-${CMAKE_VERSION}
-    - ./bootstrap --prefix=${CI_PROJECT_DIR}/${NAME} --parallel=4 -- -DCMAKE_BUILD_TYPE:STRING=Release 
+    - ./bootstrap --prefix=${CI_PROJECT_DIR}/${NAME} --parallel=2
     - make
     - make install
   artifacts: