diff --git a/requirements.txt b/requirements.txt
index a3a148f7..faec5a73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ cloudpickle==1.2.2        # via hyperopt
 daiquiri==1.6.0
 dateutils==0.6.7
 decorator==4.4.1          # via networkx
-dictdiffer==0.8.0
+dictdiffer==0.9.0
 docutils==0.16          # via botocore
 elasticsearch==6.3.1
 flask-restful==0.3.7