diff --git a/src/types.ts b/src/types.ts
index b38a4778..0a3d2ce2 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -91,6 +91,7 @@ export type MaskInputOptions = Partial<{
   // unify textarea and select element with text input
   textarea: boolean;
   select: boolean;
+  password: boolean;
 }>;
 
 export type SlimDOMOptions = Partial<{
diff --git a/typings/types.d.ts b/typings/types.d.ts
index f9394a39..c43cccbe 100644
--- a/typings/types.d.ts
+++ b/typings/types.d.ts
@@ -73,6 +73,7 @@ export declare type MaskInputOptions = Partial<{
     week: boolean;
     textarea: boolean;
     select: boolean;
+    password: boolean;
 }>;
 export declare type SlimDOMOptions = Partial<{
     script: boolean;