diff --git a/requirements.txt b/requirements.txt
index 1caa759..13f4981 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-voluptuous==0.11.7
+voluptuous==0.15.2
 requests==2.22.0
 elasticsearch==7.0.1
 pyyaml>=4.2b1