diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3d73e5b93b2f61e035d31afaa8e310c01aa6adc7..9b17bd55b10d149958d13eeec989b0e7587943f0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -110,13 +110,13 @@ python310:
     reports:
       junit: report.xml
 
-# doctest:
-#   stage: test
-#   script:
-#     - cd docs
-#     - pip install -r requirements.txt
-#     - make doc  # needed for _api tests
-#     - make test
+doctest:
+  stage: test
+  script:
+    - cd docs
+    - pip install -r requirements.txt
+    - make doc  # needed for _api tests
+    - make test
 
 
 # ===========================================================
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 133dd3941bd01748ec0a663689463f8c81015fa4..aea5a2a9c11b1e8d853863149fc7805febffd14b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -12,4 +12,4 @@ sphinx_autodoc_typehints==1.23
 sphinx-tabs==3.4.1
 fancy-collections==0.1.3
 sphinx-design==0.4.1
-pydata-sphinx-theme==0.12.0
+pydata-sphinx-theme==0.13.3