diff --git a/.changeset/publish-sourcemaps.md b/.changeset/publish-sourcemaps.md
new file mode 100644
index 0000000..1f22d13
--- /dev/null
+++ b/.changeset/publish-sourcemaps.md
@@ -0,0 +1,7 @@
+---
+"@formhaus/core": patch
+"@formhaus/react": patch
+"@formhaus/vue": patch
+---
+
+Source maps are now published alongside the minified bundles. When a form throws in a consumer's app, the stack trace points at the original source line in `src/`, not at a one-letter variable in the minified output.
diff --git a/packages/core/tsup.config.ts b/packages/core/tsup.config.ts
index aa4edcb..d0f8737 100644
--- a/packages/core/tsup.config.ts
+++ b/packages/core/tsup.config.ts
@@ -7,5 +7,6 @@ export default defineConfig({
   clean: true,
   treeshake: true,
   minify: true,
+  sourcemap: true,
   target: 'es2020',
 });
diff --git a/packages/react/tsup.config.ts b/packages/react/tsup.config.ts
index 96f57de..845afbd 100644
--- a/packages/react/tsup.config.ts
+++ b/packages/react/tsup.config.ts
@@ -7,6 +7,7 @@ export default defineConfig({
   clean: true,
   treeshake: true,
   minify: true,
+  sourcemap: true,
   target: 'es2020',
   external: ['react', 'react-dom', '@formhaus/core'],
 });
diff --git a/packages/vue/vite.config.ts b/packages/vue/vite.config.ts
index 22549b3..9a0ee7d 100644
--- a/packages/vue/vite.config.ts
+++ b/packages/vue/vite.config.ts
@@ -13,6 +13,7 @@ export default defineConfig({
     }),
   ],
   build: {
+    sourcemap: true,
     lib: {
       entry: resolve(__dirname, 'src/index.ts'),
       formats: ['es'],