diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index 9b79b01..5083288 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Publish the ESM build by adding `module` and `exports` to the manifest, so `dist/index.mjs` is reachable instead of always resolving to the CommonJS build ([#85](https://github.com/MetaMask/mobile-wallet-protocol/pull/85))
+
 ## [0.4.0]
 
 ### Added
diff --git a/packages/core/package.json b/packages/core/package.json
index b2f4dec..f92cccd 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -11,7 +11,20 @@
 	},
 	"license": "MIT",
 	"main": "./dist/index.js",
+	"module": "./dist/index.mjs",
 	"types": "./dist/index.d.ts",
+	"exports": {
+		".": {
+			"import": {
+				"types": "./dist/index.d.mts",
+				"default": "./dist/index.mjs"
+			},
+			"require": {
+				"types": "./dist/index.d.ts",
+				"default": "./dist/index.js"
+			}
+		}
+	},
 	"files": [
 		"dist"
 	],