diff --git a/.changeset/tall-colts-breathe.md b/.changeset/tall-colts-breathe.md
new file mode 100644
index 000000000..0e088efeb
--- /dev/null
+++ b/.changeset/tall-colts-breathe.md
@@ -0,0 +1,5 @@
+---
+'@segment/analytics-consent-wrapper-onetrust': patch
+---
+
+Change tsconfig compile target from ESNext->ES2020
diff --git a/packages/consent/consent-tools/tsconfig.json b/packages/consent/consent-tools/tsconfig.json
index 1af879200..302ac0687 100644
--- a/packages/consent/consent-tools/tsconfig.json
+++ b/packages/consent/consent-tools/tsconfig.json
@@ -6,6 +6,7 @@
     "target": "ES2020", // don't down-compile *too much* -- if users are using webpack, they can always transpile this library themselves
     "lib": ["ES2020", "DOM", "DOM.Iterable"], // assume that consumers will be polyfilling at least down to es2020
     "moduleResolution": "node",
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "isolatedModules": true // ensure we are friendly to build systems
   }
 }
diff --git a/packages/consent/consent-wrapper-onetrust/tsconfig.json b/packages/consent/consent-wrapper-onetrust/tsconfig.json
index 2773eacef..963a8bc52 100644
--- a/packages/consent/consent-wrapper-onetrust/tsconfig.json
+++ b/packages/consent/consent-wrapper-onetrust/tsconfig.json
@@ -3,7 +3,7 @@
   "exclude": ["node_modules", "dist"],
   "compilerOptions": {
     "module": "ESNext", // es6 modules
-    "target": "ESNext", // assume that consumers will be using webpack, so don't down-compile
+    "target": "ES2020", // don't down-compile *too much* -- if users are using webpack, they can always transpile this library themselves
     "lib": ["ES2020", "DOM", "DOM.Iterable"], // assume that consumers will be polyfilling at least down to es2020
     "moduleResolution": "node",
     "isolatedModules": true // ensure we are friendly to build systems