diff --git a/jest.config.js b/jest.config.js
index a93fe120fc298..8089ca08fff8b 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -43,6 +43,9 @@ module.exports = {
   moduleNameMapper: {
     "^highlight.js$": `<rootDir>/node_modules/highlight.js/lib/index.js`,
     "^@reach/router(.*)": `<rootDir>/node_modules/@gatsbyjs/reach-router$1`,
+    "^weak-lru-cache$": `<rootDir>/node_modules/weak-lru-cache/dist/index.cjs`,
+    "^ordered-binary$": `<rootDir>/node_modules/ordered-binary/dist/index.cjs`,
+    "^msgpackr$": `<rootDir>/node_modules/msgpackr/dist/node.cjs`,
   },
   snapshotSerializers: [`jest-serializer-path`],
   collectCoverageFrom: coverageDirs,