diff --git a/docs/doc-requirements.txt b/docs/doc-requirements.txt
index 8a5a7a27f..bb439ddcf 100644
--- a/docs/doc-requirements.txt
+++ b/docs/doc-requirements.txt
@@ -1,5 +1,5 @@
 sphinx>=1.3.6
 sphinx-rtd-theme
-nbsphinx==0.8.6
+nbsphinx
 sphinxcontrib_github_alt
 myst_parser
diff --git a/docs/source/conf.py b/docs/source/conf.py
index f52289963..1aa7613b4 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -85,7 +85,6 @@ templates_path = ['_templates']
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 # source_suffix = ['.rst', '.md']
-source_suffix = ['.rst', '.ipynb']
 
 # The encoding of source files.
 #source_encoding = 'utf-8-sig'