diff --git a/airbyte_cdk/sources/declarative/incremental/concurrent_partition_cursor.py b/airbyte_cdk/sources/declarative/incremental/concurrent_partition_cursor.py
index f54a0297..d69b61bf 100644
--- a/airbyte_cdk/sources/declarative/incremental/concurrent_partition_cursor.py
+++ b/airbyte_cdk/sources/declarative/incremental/concurrent_partition_cursor.py
@@ -58,7 +58,7 @@ class ConcurrentPerPartitionCursor(Cursor):
     CurrentPerPartitionCursor expects the state of the ConcurrentCursor to follow the format {cursor_field: cursor_value}.
     """
 
-    DEFAULT_MAX_PARTITIONS_NUMBER = 10_000
+    DEFAULT_MAX_PARTITIONS_NUMBER = 25_000
     SWITCH_TO_GLOBAL_LIMIT = 1000
     _NO_STATE: Mapping[str, Any] = {}
     _NO_CURSOR_STATE: Mapping[str, Any] = {}