diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 44e001f64e7cb3c2438582c204768f8e08778ac4..b06b37be83cc1e0b8f71c98f9c6695e5d96d68f0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -23,6 +23,7 @@ test:
   script:
   - pip3 install -U sphinx 
   - pip3 install sphinx-rtd-theme
+  - pip3 install sphinx-copybutton
   - sphinx-build -b html docs/source/ public/
   - branches
   except:
@@ -33,6 +34,7 @@ pages:
   script:
   - pip3 install -U sphinx
   - pip3 install sphinx-rtd-theme
+  - pip3 install sphinx-copybutton
   - sphinx-build -b html docs/source/ public/
   artifacts:
     paths: