diff --git a/pyproject.toml b/pyproject.toml
index c315f28..8da79db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ requires-python = ">=3.9"
 dependencies = [
     "ecdsa >= 0.19.1",
     "requests >= 2.32.5",
-    "pydantic == 2.11.9"
+    "pydantic == 2.12.4"
 ]
 description = "Accept bitcoin with BitPay"
 readme = "README.md"