diff --git a/public/app/plugins/datasource/postgres/types.ts b/public/app/plugins/datasource/postgres/types.ts
index b1993310eec..bc744f6c9a6 100644
--- a/public/app/plugins/datasource/postgres/types.ts
+++ b/public/app/plugins/datasource/postgres/types.ts
@@ -23,5 +23,5 @@ export interface PostgresOptions extends SQLOptions {
 }
 
 export interface SecureJsonData {
-  password: string;
+  password?: string;
 }