diff --git a/requirements.txt b/requirements.txt
index b7f5cb2..dcd5f28 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ MarkupSafe==1.1.1
 matplotlib==3.2.1
 mistune==0.8.4
 nbconvert==5.6.1
-nbdime==2.0.0
+nbdime==2.1.1
 nbformat==5.0.6
 nodejs==0.1.1
 notebook==6.0.3