diff --git a/package-lock.json b/package-lock.json
index 57fbe0d..c13db36 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -49,7 +49,7 @@
         "rimraf": "^3.0.2",
         "rxjs-marbles": "^7.0.0",
         "ts-jest": "^27.0.3",
-        "typescript": "^4.0.3"
+        "typescript": "^4.8.4"
       }
     },
     "node_modules/@babel/cli": {
@@ -12287,9 +12287,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.3.tgz",
-      "integrity": "sha512-rUvLW0WtF7PF2b9yenwWUi9Da9euvDRhmH7BLyBG4DCFfOJ850LGNknmRpp8Z8kXNUPObdZQEfKOiHtXuQHHKA==",
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
+      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -22263,9 +22263,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.3.tgz",
-      "integrity": "sha512-rUvLW0WtF7PF2b9yenwWUi9Da9euvDRhmH7BLyBG4DCFfOJ850LGNknmRpp8Z8kXNUPObdZQEfKOiHtXuQHHKA==",
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
+      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
       "dev": true
     },
     "unbox-primitive": {
diff --git a/package.json b/package.json
index c1f9fce..b5da8fa 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "rimraf": "^3.0.2",
     "rxjs-marbles": "^7.0.0",
     "ts-jest": "^27.0.3",
-    "typescript": "^4.0.3"
+    "typescript": "^4.8.4"
   },
   "dependencies": {
     "chalk": "^4.1.0",