diff --git a/packages/gatsby/src/utils/__tests__/get-cache.js b/packages/gatsby/src/utils/__tests__/get-cache.ts
similarity index 92%
rename from packages/gatsby/src/utils/__tests__/get-cache.js
rename to packages/gatsby/src/utils/__tests__/get-cache.ts
index f1e9ce832bdb2..34fc60c8047a3 100644
--- a/packages/gatsby/src/utils/__tests__/get-cache.js
+++ b/packages/gatsby/src/utils/__tests__/get-cache.ts
@@ -1,4 +1,4 @@
-const getCache = require(`../get-cache`)
+import { getCache } from "../get-cache"
 
 const CACHE_KEY = `__test__`
 
diff --git a/packages/gatsby/src/utils/api-runner-node.js b/packages/gatsby/src/utils/api-runner-node.js
index 1c1ca44dfda1b..4238d3c8c9302 100644
--- a/packages/gatsby/src/utils/api-runner-node.js
+++ b/packages/gatsby/src/utils/api-runner-node.js
@@ -8,7 +8,7 @@ const reporter = require(`gatsby-cli/lib/reporter`)
 const stackTrace = require(`stack-trace`)
 const { codeFrameColumns } = require(`@babel/code-frame`)
 const fs = require(`fs-extra`)
-const getCache = require(`./get-cache`)
+const { getCache } = require(`./get-cache`)
 const createNodeId = require(`./create-node-id`)
 const { createContentDigest } = require(`gatsby-core-utils`)
 const {
diff --git a/packages/gatsby/src/utils/get-cache.js b/packages/gatsby/src/utils/get-cache.ts
similarity index 53%
rename from packages/gatsby/src/utils/get-cache.js
rename to packages/gatsby/src/utils/get-cache.ts
index d27bcb721547c..b37fe9e33059f 100644
--- a/packages/gatsby/src/utils/get-cache.js
+++ b/packages/gatsby/src/utils/get-cache.ts
@@ -1,8 +1,8 @@
-const Cache = require(`./cache`).default
+import Cache from "./cache"
 
-const caches = new Map()
+const caches = new Map<string, Cache>()
 
-module.exports = function getCache(name) {
+export const getCache = (name: string): Cache => {
   let cache = caches.get(name)
   if (!cache) {
     cache = new Cache({ name }).init()