diff --git a/requirements.txt b/requirements.txt
index 6753fcb..2c689f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 tornado==6.3.3
 isodate==0.6.1
 pytest==7.4.3
-schwifty==2023.06.0
+schwifty==2024.1.1
 Cerberus==1.3.5
 validator-collection==1.5.0