diff --git a/typings/context.d.ts b/typings/context.d.ts
index 7e029147f..5acdce55e 100644
--- a/typings/context.d.ts
+++ b/typings/context.d.ts
@@ -425,7 +425,7 @@ export declare class TelegrafContext {
    * @param markup Markup of inline keyboard
    */
   editMessageCaption(
-    caption?: string,
+    caption: string | undefined,
     markup?: tt.InlineKeyboardMarkup
   ): Promise<tt.Message | boolean>
 
@@ -435,7 +435,7 @@ export declare class TelegrafContext {
    * @param markup Markup of inline keyboard
    */
   editMessageReplyMarkup(
-    markup?: tt.InlineKeyboardMarkup
+    markup: tt.InlineKeyboardMarkup | undefined
   ): Promise<tt.Message | boolean>
 
   /**
diff --git a/typings/telegram.d.ts b/typings/telegram.d.ts
index fe20680f3..f3143d2a4 100644
--- a/typings/telegram.d.ts
+++ b/typings/telegram.d.ts
@@ -137,8 +137,8 @@ export declare class Telegram extends ApiClient {
     chatId: number | string | undefined,
     messageId: number | undefined,
     inlineMessageId: string | undefined,
-    caption: string,
-    markup: string
+    caption: string | undefined,
+    markup?: tt.InlineKeyboardMarkup
   ): Promise<tt.Message | boolean>
 
   /**
@@ -153,7 +153,7 @@ export declare class Telegram extends ApiClient {
     chatId: number | string | undefined,
     messageId: number | undefined,
     inlineMessageId: string | undefined,
-    markup: string
+    markup: tt.InlineKeyboardMarkup | undefined
   ): Promise<tt.Message | boolean>
 
   /**