diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d83c42e..3894bf3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,8 +6,8 @@ stages:
 build:
   stage: build
   before_script:
-  - apt-get -q=2 update
-  - apt-get -q=2 -y install gawk make gfortran libhdf5-dev
+  - apt-get -q update
+  - apt-get -q -y install gawk make gfortran libhdf5-dev libopenmpi-dev
 
   script:
   - cd ./build/
@@ -15,3 +15,5 @@ build:
   - cp -al ./hosts/default ./hosts/$HOSTNAME
   - export HDF5DIR=/usr/lib/x86_64-linux-gnu/hdf5/serial
   - make
+  - make clean
+  - make MPI=Y