diff --git a/requirements.txt b/requirements.txt
index 19081fe..69d0ef8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ h11==0.14.0
 icalendar==5.0.12
 idna==3.7
 pydantic==2.7.0
-pydantic_core==2.16.3
+pydantic_core==2.18.1
 python-dateutil==2.9.0.post0
 python-dotenv==1.0.1
 pytz==2024.1