diff --git a/packages.ini b/packages.ini
index 73809570..7f4db826 100644
--- a/packages.ini
+++ b/packages.ini
@@ -1132,6 +1132,8 @@ python_versions = <3.13
 
 [msgpack-types==0.2.0]
 
+[msgspec==0.19.0]
+
 [multidict==6.0.2]
 python_versions = <3.13
 [multidict==6.0.4]