diff --git a/base/trace_event/category_registry.h b/base/trace_event/category_registry.h
index b820303cce3c7d..a6439d94595036 100644
--- a/base/trace_event/category_registry.h
+++ b/base/trace_event/category_registry.h
@@ -93,7 +93,7 @@ class BASE_EXPORT CategoryRegistry {
   using CategoryInitializerFn = void (*)(TraceCategory*);
 
   // The max number of trace categories that can be recorded.
-  static constexpr size_t kMaxCategories = 250;
+  static constexpr size_t kMaxCategories = 300;
 
   // Checks that there is enough space for all builtin categories.
   static_assert(BuiltinCategories::Size() <= kMaxCategories,