diff --git a/package-lock.json b/package-lock.json
index 3669666..48bcf28 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "rxjs": "6.6.3",
         "telegraf": "4.0.3",
         "typedoc": "0.20.23",
-        "typescript": "4.1.4"
+        "typescript": "4.1.5"
       },
       "peerDependencies": {
         "@nestjs/common": "^6.7.0 || ^7.0.0",
@@ -4252,9 +4252,9 @@
       "dev": true
     },
     "node_modules/typescript": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.4.tgz",
-      "integrity": "sha512-+Uru0t8qIRgjuCpiSPpfGuhHecMllk5Zsazj5LZvVsEStEjmIRRBZe+jHjGQvsgS7M1wONy2PQXd67EMyV6acg==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -7820,9 +7820,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.4.tgz",
-      "integrity": "sha512-+Uru0t8qIRgjuCpiSPpfGuhHecMllk5Zsazj5LZvVsEStEjmIRRBZe+jHjGQvsgS7M1wONy2PQXd67EMyV6acg==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 17b49f4..d6ca54e 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "rxjs": "6.6.3",
     "telegraf": "4.0.3",
     "typedoc": "0.20.23",
-    "typescript": "4.1.4"
+    "typescript": "4.1.5"
   },
   "peerDependencies": {
     "@nestjs/common": "^6.7.0 || ^7.0.0",
diff --git a/sample/01-complete-app/package-lock.json b/sample/01-complete-app/package-lock.json
index 38df9c8..ffdbdc6 100644
--- a/sample/01-complete-app/package-lock.json
+++ b/sample/01-complete-app/package-lock.json
@@ -39,7 +39,7 @@
         "ts-loader": "8.0.17",
         "ts-node": "9.1.1",
         "tsconfig-paths": "3.9.0",
-        "typescript": "4.1.4"
+        "typescript": "4.1.5"
       }
     },
     "node_modules/@angular-devkit/core": {
@@ -12103,9 +12103,9 @@
       "integrity": "sha512-vHjXzIJatK1B+MYpa9kGCveC60ddctdzM631idNlJK1GNx7zG98xGeTijiRid45bZexacKbeMTx+Ptxp/Y9RHg=="
     },
     "node_modules/typescript": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.4.tgz",
-      "integrity": "sha512-+Uru0t8qIRgjuCpiSPpfGuhHecMllk5Zsazj5LZvVsEStEjmIRRBZe+jHjGQvsgS7M1wONy2PQXd67EMyV6acg==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -22167,9 +22167,9 @@
       "integrity": "sha512-vHjXzIJatK1B+MYpa9kGCveC60ddctdzM631idNlJK1GNx7zG98xGeTijiRid45bZexacKbeMTx+Ptxp/Y9RHg=="
     },
     "typescript": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.4.tgz",
-      "integrity": "sha512-+Uru0t8qIRgjuCpiSPpfGuhHecMllk5Zsazj5LZvVsEStEjmIRRBZe+jHjGQvsgS7M1wONy2PQXd67EMyV6acg==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
       "dev": true
     },
     "union-value": {
diff --git a/sample/01-complete-app/package.json b/sample/01-complete-app/package.json
index 219d65f..f4f0de5 100644
--- a/sample/01-complete-app/package.json
+++ b/sample/01-complete-app/package.json
@@ -50,7 +50,7 @@
     "ts-loader": "8.0.17",
     "ts-node": "9.1.1",
     "tsconfig-paths": "3.9.0",
-    "typescript": "4.1.4"
+    "typescript": "4.1.5"
   },
   "jest": {
     "moduleFileExtensions": [
diff --git a/website/package-lock.json b/website/package-lock.json
index 5140e31..4621602 100644
--- a/website/package-lock.json
+++ b/website/package-lock.json
@@ -20,7 +20,7 @@
         "@types/react": "17.0.1",
         "@types/react-helmet": "6.1.0",
         "@types/react-router-dom": "5.1.7",
-        "typescript": "4.1.4"
+        "typescript": "4.1.5"
       }
     },
     "node_modules/@algolia/autocomplete-core": {
@@ -15459,9 +15459,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.4.tgz",
-      "integrity": "sha512-+Uru0t8qIRgjuCpiSPpfGuhHecMllk5Zsazj5LZvVsEStEjmIRRBZe+jHjGQvsgS7M1wONy2PQXd67EMyV6acg==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -30195,9 +30195,9 @@
       }
     },
     "typescript": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.4.tgz",
-      "integrity": "sha512-+Uru0t8qIRgjuCpiSPpfGuhHecMllk5Zsazj5LZvVsEStEjmIRRBZe+jHjGQvsgS7M1wONy2PQXd67EMyV6acg==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
       "dev": true
     },
     "ua-parser-js": {
diff --git a/website/package.json b/website/package.json
index 73d2c40..84321a8 100644
--- a/website/package.json
+++ b/website/package.json
@@ -36,6 +36,6 @@
     "@types/react": "17.0.1",
     "@types/react-helmet": "6.1.0",
     "@types/react-router-dom": "5.1.7",
-    "typescript": "4.1.4"
+    "typescript": "4.1.5"
   }
 }