diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4d8ddb14757e2980050a72394a804d6e63578ea6..1634f88abbdd703ee6b7ffb79ce9850dc4a638f0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ doctest:
   image: python:3.7
   script:
     - pip install -r requirements.txt
-    - python -m doctest nnfwtbn/*.py
+    - python -m doctest -v nnfwtbn/*.py
 
 unittest:
   stage: test