diff --git a/requirements.txt b/requirements.txt
index 9028f26..e3ec142 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ tornado==6.4.2
 isodate==0.7.2
 pytest==8.3.4
 schwifty==2024.11.0
-Cerberus==1.3.7
+Cerberus==1.3.6
 validator-collection==1.5.0