diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7cdd4bb627b553d6b334c1096a4bdc58e23cd2a7..c2f2ca103d81dfc0344f0e43e69651cecc8b3b58 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,7 +16,7 @@ build-ws:
     - apt-get install -y make
     - apt-get install -y cmake
     - apt-get install -y cmake-curses-gui
-    - apt-get install -ylibssl-dev
+    - apt-get install -y libssl-dev
     - apt-get install -y libcppunit-dev
     - echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc
     - source ~/.bashrc