diff --git a/requirements.txt b/requirements.txt
index e6f1c83..b5abf44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-mmif-python==1.0.14
+mmif-python==1.0.15
 
 Flask>=2
 Flask-RESTful>=0.3.9