diff --git a/requirements.txt b/requirements.txt
index e75909f..65cd562 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,7 +78,7 @@ joblib==0.14.0
 requests==2.22.0
 
 # Nice utility to diff Jupyter Notebooks.
-nbdime==1.1.0
+nbdime==1.1.1
 
 # May be useful with Pandas for complex "where" clauses (e.g., Pandas
 # tutorial).