diff --git a/package.json b/package.json
index 08d6e5ee80..882e00da6a 100644
--- a/package.json
+++ b/package.json
@@ -101,7 +101,7 @@
 		"style-loader": "^0.23.1",
 		"ts-jest": "^26.0.0",
 		"turbo": "^1.2.6",
-		"typescript": "^3.9.5",
+		"typescript": "^4.7.4",
 		"webpack": "^5.72.0"
 	},
 	"workspaces": {
diff --git a/packages/clay-alert/src/index.tsx b/packages/clay-alert/src/index.tsx
index d06ca5ddbe..a97c217c4f 100644
--- a/packages/clay-alert/src/index.tsx
+++ b/packages/clay-alert/src/index.tsx
@@ -42,7 +42,7 @@ const useAutoClose = (autoClose?: boolean | number, onClose = () => {}) => {
 	}
 
 	React.useEffect(() => {
-		if (autoClose && onClose) {
+		if (autoClose) {
 			startTimer();
 
 			return pauseTimer;
diff --git a/packages/clay-core/stories/TreeView.stories.tsx b/packages/clay-core/stories/TreeView.stories.tsx
index 870beb10d4..e5ed27edf3 100644
--- a/packages/clay-core/stories/TreeView.stories.tsx
+++ b/packages/clay-core/stories/TreeView.stories.tsx
@@ -1515,7 +1515,7 @@ export const DemoDocumentsMultiple = () => {
 
 	OptionalCheckbox.displayName = 'ClayCheckbox';
 
-	const MAPPING_ICON = {
+	const MAPPING_ICON: Record<string, string> = {
 		article: 'web-content',
 		documents: 'documents-and-media',
 	};
diff --git a/yarn.lock b/yarn.lock
index 27a3dfe5bc..2d16e32562 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -24160,10 +24160,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.9.5:
-  version "3.9.10"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
-  integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
+typescript@^4.7.4:
+  version "4.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.7.4.tgz#1a88596d1cf47d59507a1bcdfb5b9dfe4d488235"
+  integrity sha512-C0WQT0gezHuw6AdY1M2jxUO83Rjf0HP7Sk1DtXj6j1EwkQNZrHAg2XPWlq62oqEhYvONq5pkC2Y9oPljWToLmQ==
 
 uglify-js@3.4.x:
   version "3.4.10"