diff --git a/package.json b/package.json
index 6bfb308..2f3e9fb 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "husky": "4.3.6",
     "tsdx": "0.14.1",
     "tslib": "2.2.0",
-    "typescript": "4.4.3"
+    "typescript": "4.9.5"
   },
   "dependencies": {
     "@slack/webhook": "^6.0.0",
diff --git a/yarn.lock b/yarn.lock
index e1f6b45..af6cfec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5968,10 +5968,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@4.4.3:
-  version "4.4.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.3.tgz#bdc5407caa2b109efd4f82fe130656f977a29324"
-  integrity sha512-4xfscpisVgqqDfPaJo5vkd+Qd/ItkoagnHpufr+i2QCHBsNYp+G7UAoyFl8aPtx879u38wPV65rZ8qbGZijalA==
+typescript@4.9.5:
+  version "4.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
+  integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
 typescript@^3.7.3:
   version "3.9.7"