diff --git a/types/express-winston/express-winston-tests.ts b/types/express-winston/express-winston-tests.ts
index b64bce0b3e..7fd41cfd5c 100644
--- a/types/express-winston/express-winston-tests.ts
+++ b/types/express-winston/express-winston-tests.ts
@@ -14,7 +14,7 @@ app.use(expressWinston.logger({
   expressFormat: true,
   ignoreRoute: (req, res) => true,
   ignoredRoutes: ['foo'],
-  level: 'level',
+  level: (req, res) => 'level',
   meta: true,
   metaField: 'metaField',
   msg: 'msg',
@@ -49,7 +49,7 @@ app.use(expressWinston.logger({
 app.use(expressWinston.errorLogger({
   baseMeta: { foo: 'foo' },
   dynamicMeta: (req, res, err) => ({ foo: 'bar' }),
-  level: 'level',
+  level: (req, res) => 'level',
   metaField: 'metaField',
   msg: 'msg',
   requestFilter: (req, prop) => true,
diff --git a/types/express-winston/index.d.ts b/types/express-winston/index.d.ts
index 920939abd6..6dac70c1b6 100644
--- a/types/express-winston/index.d.ts
+++ b/types/express-winston/index.d.ts
@@ -12,6 +12,7 @@ export interface MetaObject {
 }
 
 export type DynamicMetaFunction = (req: Request, res: Response, err: Error) => MetaObject | undefined;
+export type DynamicLevelFunction = (req: Request, res: Response, err: Error) => string;
 export type RequestFilter = (req: Request, propName: string) => boolean;
 export type ResponseFilter = (res: Response, propName: string) => boolean;
 export type RouteFilter = (req: Request, res: Response) => boolean;
@@ -25,7 +26,7 @@ export interface BaseLoggerOptions {
   expressFormat?: boolean;
   ignoreRoute?: RouteFilter;
   ignoredRoutes?: string[];
-  level?: string;
+  level?: string | DynamicLevelFunction;
   meta?: boolean;
   metaField?: string;
   msg?: string;
@@ -56,7 +57,7 @@ export function logger(options: LoggerOptions): Handler;
 export interface BaseErrorLoggerOptions {
   baseMeta?: MetaObject;
   dynamicMeta?: DynamicMetaFunction;
-  level?: string;
+  level?: string | DynamicLevelFunction;
   metaField?: string;
   msg?: string;
   requestFilter?: RequestFilter;