diff --git a/package-lock.json b/package-lock.json
index 5d174f9..3b96dd4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "koa": "^2.11.0",
         "koa-bodyparser": "^4.2.1",
         "koa-router": "^8.0.8",
-        "typescript": "^3.4.3"
+        "typescript": "^4.4.3"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -2686,9 +2686,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "3.9.10",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
-      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.3.tgz",
+      "integrity": "sha512-4xfscpisVgqqDfPaJo5vkd+Qd/ItkoagnHpufr+i2QCHBsNYp+G7UAoyFl8aPtx879u38wPV65rZ8qbGZijalA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -4914,9 +4914,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.10",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
-      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.3.tgz",
+      "integrity": "sha512-4xfscpisVgqqDfPaJo5vkd+Qd/ItkoagnHpufr+i2QCHBsNYp+G7UAoyFl8aPtx879u38wPV65rZ8qbGZijalA==",
       "dev": true
     },
     "unpipe": {
diff --git a/package.json b/package.json
index 898e7f5..d2a3410 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,6 @@
     "koa": "^2.11.0",
     "koa-bodyparser": "^4.2.1",
     "koa-router": "^8.0.8",
-    "typescript": "^3.4.3"
+    "typescript": "^4.4.3"
   }
 }