diff --git a/requirements.txt b/requirements.txt
index 5644f1b..a4c00d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ matplotlib==3.1.3
 mistune==0.8.4
 mkl-service==2.3.0
 nbconvert==5.6.1
-nbdime==2.0.0
+nbdime==2.1.1
 nbformat==5.0.6
 notebook==6.0.3
 numpy==1.18.1