diff --git a/continuous_integration/environment_actions.yml b/continuous_integration/environment_actions.yml
index d71193e..441b6dc 100644
--- a/continuous_integration/environment_actions.yml
+++ b/continuous_integration/environment_actions.yml
@@ -12,4 +12,3 @@ dependencies:
         - python>=3.7
         - pytest
         - flake8
-        
diff --git a/docs/environment_docs.yml b/docs/environment_docs.yml
index 385ba2b..6da0fa7 100644
--- a/docs/environment_docs.yml
+++ b/docs/environment_docs.yml
@@ -10,5 +10,7 @@ dependencies:
       - sphinx_gallery
       - sphinx-copybutton
       - pydata-sphinx-theme<0.9.0
+      - sphinxcontrib-applehelp<1.0.8
+      - sphinxcontrib-devhelp<1.0.6
       - sphinx_design
       - nbsphinx