diff --git a/requirements.txt b/requirements.txt
index 93c7e69..4f86eaa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ mat2==0.12.1
 flask==1.1.2
 Flask-RESTful==0.3.8
 Flask-Cors==3.0.10
-Cerberus==1.3.2
+Cerberus==1.3.3
 Flask-Testing==0.8.1
 blinker==1.4
 iknl-flasgger==0.9.2.post1