diff --git a/requirements.txt b/requirements.txt
index 317d80c..f8cd81e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 accessify==0.3.1
 asyncio==3.4.3
 click==7.0
-marshmallow==2.19.2
+marshmallow==3.0.0
 remme==1.1.1