diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b90c6b2ca458a152c7e53d0886e69ee012279d5b..c8d51c19277c67c795c200cf9f5256d55682bab9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ stages:
 build-intel:
   stage: build
   script:
-    - module load intel impi cmake anaconda/3/2019.03 mpi4py
+    - module load intel impi mkl cmake anaconda/3/2019.03 mpi4py
     - mkdir build_intel/
     - cd build_intel/
     - conda create -p sisso/ python=3.7 mkl numpy scipy pandas pytest
@@ -16,6 +16,8 @@ build-intel:
     - cmake -C ../cmake/toolchains/intel_py.cmake ../
     - make
     - make install
+    - ls sisso/lib/
+    - readelf -d sisso/lib/python*/site-packages/sisso/_sisso.so
     - cd ../
     - pytest tests
   tags:
@@ -33,6 +35,8 @@ build-gnu:
     - cmake -C ../cmake/toolchains/gnu_py.cmake ../
     - make
     - make install
+    - ls sisso/lib/
+    - readelf -d sisso/lib/python*/site-packages/sisso/_sisso.so
     - cd ../
     - pytest tests
   tags: