diff --git a/libs/openant-core/requirements.txt b/libs/openant-core/requirements.txt
index 6f28e939..020f4224 100644
--- a/libs/openant-core/requirements.txt
+++ b/libs/openant-core/requirements.txt
@@ -17,7 +17,6 @@ truststore==0.10.4
 idna==3.19
 jiter==0.16.0
 pydantic==2.13.4
-pydantic_core==2.46.4
 python-dotenv==1.2.3
 sniffio==1.3.1
 typing-inspection==0.4.4