diff --git a/source/rtd_requirements.txt b/source/rtd_requirements.txt
index 5638a5a8e..ed3c682f1 100644
--- a/source/rtd_requirements.txt
+++ b/source/rtd_requirements.txt
@@ -12,4 +12,4 @@ matplotlib
 pandas
 pandas-bokeh
 imageio
-nbconvert==6.4.4
+nbconvert==6.5.1