diff --git a/hooks/use-taxonomy/index.js b/hooks/use-taxonomy/index.ts
similarity index 69%
rename from hooks/use-taxonomy/index.js
rename to hooks/use-taxonomy/index.ts
index ba153ff1..bafd5dcc 100644
--- a/hooks/use-taxonomy/index.js
+++ b/hooks/use-taxonomy/index.ts
@@ -1,7 +1,8 @@
 import { useSelect } from '@wordpress/data';
 import { store as coreStore } from '@wordpress/core-data';
+import type { Taxonomy } from '@wordpress/core-data';
 
-export function useTaxonomy(taxonomyName) {
+export function useTaxonomy(taxonomyName: string) {
 	return useSelect(
 		(select) => {
 			const { getTaxonomy, hasFinishedResolution } = select(coreStore);
@@ -12,5 +13,5 @@ export function useTaxonomy(taxonomyName) {
 			return [taxonomy, hasResolvedTaxonomy];
 		},
 		[taxonomyName],
-	);
+	) as [ taxonomy: Taxonomy | undefined, hasResolvedTaxonomy: boolean ];
 }