diff --git a/requirements.txt b/requirements.txt
index 6e38737..8a44892 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-mmif-python==1.1.1
+mmif-python==1.1.2
 
 Flask>=2
 Flask-RESTful>=0.3.9