diff --git a/typings/configparser.d.ts b/typings/configparser.d.ts
index 8bdec46..a8f733c 100644
--- a/typings/configparser.d.ts
+++ b/typings/configparser.d.ts
@@ -8,7 +8,7 @@ declare module 'configparser' {
     keys(section: string): string[];
     hasKey(section: string, key: string): boolean;
     read(file: FileInputType): void;
-    readAsync(file: FileInputType): void;
+    readAsync(file: FileInputType): Promise<void>;
     get(section: string, key: string, raw?: boolean): string | undefined;
     getInt(section: string, key: string, radix?: number): number | undefined;
     getFloat(section: string, key: string): number|undefined;
@@ -21,4 +21,4 @@ declare module 'configparser' {
   }
 
   export default ConfigParser
-}
\ No newline at end of file
+}