diff --git a/types/src/index.ts b/types/src/index.ts
index efcf1b25083d7..90fe47167e06b 100644
--- a/types/src/index.ts
+++ b/types/src/index.ts
@@ -258,7 +258,7 @@ export interface HttpRequestProp extends BasePropInterface {
 }
 
 export interface SourcePropDefinitions {
-  [name: string]: PropDefinitionReference | App<Methods, AppPropDefinitions> | UserProp | InterfaceProp | ServiceDBProp | HttpRequestProp;
+  [name: string]: PropDefinitionReference | App<Methods, AppPropDefinitions> | UserProp | InterfaceProp | ServiceDBProp | HttpRequestProp | ServiceDBProp["type"];
 }
 
 export interface ActionPropDefinitions {