diff --git a/sentry_sdk/serializer.py b/sentry_sdk/serializer.py
index cba1319b6f..f4867f39b0 100644
--- a/sentry_sdk/serializer.py
+++ b/sentry_sdk/serializer.py
@@ -43,8 +43,8 @@
 
 # Maximum depth and breadth of databags. Excess data will be trimmed. If
 # max_request_body_size is "always", request bodies won't be trimmed.
-MAX_DATABAG_DEPTH = 5
-MAX_DATABAG_BREADTH = 10
+MAX_DATABAG_DEPTH: int = 5
+MAX_DATABAG_BREADTH: int = 10
 CYCLE_MARKER = "<cyclic>"