diff --git a/package-lock.json b/package-lock.json
index 5823232..adf6988 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "prettier": "2.2.1",
         "reflect-metadata": "0.1.13",
         "rxjs": "6.6.3",
-        "telegraf": "4.0.1",
+        "telegraf": "4.0.2",
         "typedoc": "0.20.19",
         "typescript": "4.1.3"
       },
@@ -4253,9 +4253,9 @@
       }
     },
     "node_modules/telegraf": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.1.tgz",
-      "integrity": "sha512-kpl3vFDnIjlGxDuzNq3McUnJo9jGOlJEYtBeDPZc0Zvx878HFSO64uJeJ2HW6Tg3/76xh3dX77B7IdTGjuTOWA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.2.tgz",
+      "integrity": "sha512-MTo8b6P/MMb6RbqDGXNWpCXESTihxRpTThOIPAfVBJohYQtywYl/vldjqUCdIYdg+ge8Sn/gk+OXfqHg4LewnA==",
       "dev": true,
       "dependencies": {
         "abort-controller": "^3.0.0",
@@ -8020,9 +8020,9 @@
       }
     },
     "telegraf": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.1.tgz",
-      "integrity": "sha512-kpl3vFDnIjlGxDuzNq3McUnJo9jGOlJEYtBeDPZc0Zvx878HFSO64uJeJ2HW6Tg3/76xh3dX77B7IdTGjuTOWA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.2.tgz",
+      "integrity": "sha512-MTo8b6P/MMb6RbqDGXNWpCXESTihxRpTThOIPAfVBJohYQtywYl/vldjqUCdIYdg+ge8Sn/gk+OXfqHg4LewnA==",
       "dev": true,
       "requires": {
         "abort-controller": "^3.0.0",
diff --git a/package.json b/package.json
index 33b6c6e..f558a8d 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "prettier": "2.2.1",
     "reflect-metadata": "0.1.13",
     "rxjs": "6.6.3",
-    "telegraf": "4.0.1",
+    "telegraf": "4.0.2",
     "typedoc": "0.20.19",
     "typescript": "4.1.3"
   },
diff --git a/sample/01-complete-app/package-lock.json b/sample/01-complete-app/package-lock.json
index e06d10e..886c097 100644
--- a/sample/01-complete-app/package-lock.json
+++ b/sample/01-complete-app/package-lock.json
@@ -17,7 +17,7 @@
         "reflect-metadata": "0.1.13",
         "rimraf": "3.0.2",
         "rxjs": "6.6.3",
-        "telegraf": "4.0.1"
+        "telegraf": "4.0.2"
       },
       "devDependencies": {
         "@nestjs/cli": "7.5.4",
@@ -11491,9 +11491,9 @@
       }
     },
     "node_modules/telegraf": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.1.tgz",
-      "integrity": "sha512-kpl3vFDnIjlGxDuzNq3McUnJo9jGOlJEYtBeDPZc0Zvx878HFSO64uJeJ2HW6Tg3/76xh3dX77B7IdTGjuTOWA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.2.tgz",
+      "integrity": "sha512-MTo8b6P/MMb6RbqDGXNWpCXESTihxRpTThOIPAfVBJohYQtywYl/vldjqUCdIYdg+ge8Sn/gk+OXfqHg4LewnA==",
       "dependencies": {
         "abort-controller": "^3.0.0",
         "debug": "^4.3.1",
@@ -21725,9 +21725,9 @@
       "dev": true
     },
     "telegraf": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.1.tgz",
-      "integrity": "sha512-kpl3vFDnIjlGxDuzNq3McUnJo9jGOlJEYtBeDPZc0Zvx878HFSO64uJeJ2HW6Tg3/76xh3dX77B7IdTGjuTOWA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-4.0.2.tgz",
+      "integrity": "sha512-MTo8b6P/MMb6RbqDGXNWpCXESTihxRpTThOIPAfVBJohYQtywYl/vldjqUCdIYdg+ge8Sn/gk+OXfqHg4LewnA==",
       "requires": {
         "abort-controller": "^3.0.0",
         "debug": "^4.3.1",
diff --git a/sample/01-complete-app/package.json b/sample/01-complete-app/package.json
index bce68d2..7f2fed8 100644
--- a/sample/01-complete-app/package.json
+++ b/sample/01-complete-app/package.json
@@ -28,7 +28,7 @@
     "reflect-metadata": "0.1.13",
     "rimraf": "3.0.2",
     "rxjs": "6.6.3",
-    "telegraf": "4.0.1"
+    "telegraf": "4.0.2"
   },
   "devDependencies": {
     "@nestjs/cli": "7.5.4",