diff --git a/requirements-dev.txt b/requirements-dev.txt
index d374e23..1372e36 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,5 +8,5 @@ pylint
 codecov>=1.4.0
 papermill==2.1.2
 vcrpy==4.1.0
-nbdime==2.0.0
+nbdime==2.1.1