diff --git a/packages-exp/app-compat/rollup.config.js b/packages-exp/app-compat/rollup.config.js
index 0a84c8c7b19..a6d5bc60993 100644
--- a/packages-exp/app-compat/rollup.config.js
+++ b/packages-exp/app-compat/rollup.config.js
@@ -29,7 +29,8 @@ const deps = Object.keys(
  */
 const es5BuildPlugins = [
   typescriptPlugin({
-    typescript
+    typescript,
+    abortOnError: false
   }),
   json()
 ];
@@ -62,6 +63,7 @@ const es5Builds = [
 const es2017BuildPlugins = [
   typescriptPlugin({
     typescript,
+    abortOnError: false,
     tsconfigOverride: {
       compilerOptions: {
         target: 'es2017'
diff --git a/scripts/exp/release.ts b/scripts/exp/release.ts
index 2ee79be86f1..35aefdbcfb1 100644
--- a/scripts/exp/release.ts
+++ b/scripts/exp/release.ts
@@ -156,6 +156,16 @@ async function buildPackages() {
     }
   );
 
+  // Build compat packages
+  await spawn(
+    'yarn',
+    ['lerna', 'run', '--scope', '@firebase/*-compat', 'build'],
+    {
+      cwd: projectRoot,
+      stdio: 'inherit'
+    }
+  );
+
   // Build firebase-exp
   await spawn(
     'yarn',