diff --git a/docs/python_docs/environment.yml b/docs/python_docs/environment.yml
index 2c21f38b1e36..5f66d7715af9 100644
--- a/docs/python_docs/environment.yml
+++ b/docs/python_docs/environment.yml
@@ -27,7 +27,6 @@ dependencies:
 - matplotlib
 - notebook
 - pip:
-  # using nbconvert master until v5.5 comes out
   - nbconvert==5.6.1
   - nbsphinx==0.4.3
   - recommonmark==0.6.0