diff --git a/modules/main/package.json b/modules/main/package.json
index d8f73d34b..9836355b7 100644
--- a/modules/main/package.json
+++ b/modules/main/package.json
@@ -15,6 +15,7 @@
   },
   "license": "MIT",
   "type": "module",
+  "sideEffects": false,
   "exports": {
     "./mapbox": {
       "types": "./dist/mapbox.d.ts",
diff --git a/modules/react-mapbox/package.json b/modules/react-mapbox/package.json
index 7556e767d..05876af38 100644
--- a/modules/react-mapbox/package.json
+++ b/modules/react-mapbox/package.json
@@ -14,6 +14,7 @@
   },
   "license": "MIT",
   "type": "module",
+  "sideEffects": false,
   "types": "dist/index.d.ts",
   "main": "dist/index.cjs",
   "module": "dist/index.js",
diff --git a/modules/react-maplibre/package.json b/modules/react-maplibre/package.json
index 9142e575f..43221ff27 100644
--- a/modules/react-maplibre/package.json
+++ b/modules/react-maplibre/package.json
@@ -14,6 +14,7 @@
   },
   "license": "MIT",
   "type": "module",
+  "sideEffects": false,
   "types": "dist/index.d.ts",
   "main": "dist/index.cjs",
   "module": "dist/index.js",