diff --git a/packages/chain-registry/package.json b/packages/chain-registry/package.json
index b1570d16..2bbc0cd7 100644
--- a/packages/chain-registry/package.json
+++ b/packages/chain-registry/package.json
@@ -13,6 +13,7 @@
   ],
   "version": "0.3.0",
   "sideEffects": false,
+  "type": "module",
   "dependencies": {},
   "main": "./index.js",
   "module": "./index.mjs",
diff --git a/packages/chain-registry/vite.config.ts b/packages/chain-registry/vite.config.ts
index 976ded83..8c19e539 100644
--- a/packages/chain-registry/vite.config.ts
+++ b/packages/chain-registry/vite.config.ts
@@ -33,6 +33,9 @@ export default defineConfig({
       formats: ['es', 'cjs'],
     },
     rollupOptions: {
+      output: {
+        preserveModules: true,
+      },
       // External packages that should not be bundled into your library.
       external: [],
     },
diff --git a/packages/core/package.json b/packages/core/package.json
index ce48a423..7ab6b542 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -13,6 +13,7 @@
   ],
   "version": "0.6.0",
   "sideEffects": false,
+  "type": "module",
   "dependencies": {
     "@nabla-studio/chain-registry": "*"
   },
diff --git a/packages/core/vite.config.ts b/packages/core/vite.config.ts
index 35f90633..1cf9c1cf 100644
--- a/packages/core/vite.config.ts
+++ b/packages/core/vite.config.ts
@@ -33,6 +33,9 @@ export default defineConfig({
       formats: ['es', 'cjs'],
     },
     rollupOptions: {
+      output: {
+        preserveModules: true,
+      },
       // External packages that should not be bundled into your library.
       external: [
         'cosmjs-types',
diff --git a/packages/nuxt/package.json b/packages/nuxt/package.json
index 018a59b2..6cba6f1e 100644
--- a/packages/nuxt/package.json
+++ b/packages/nuxt/package.json
@@ -13,6 +13,7 @@
   ],
   "version": "0.1.3",
   "sideEffects": false,
+  "type": "module",
   "dependencies": {
     "@quirks/vue": "*",
     "@quirks/store": "*"
diff --git a/packages/nuxt/vite.config.ts b/packages/nuxt/vite.config.ts
index 89f7063f..e9e31250 100644
--- a/packages/nuxt/vite.config.ts
+++ b/packages/nuxt/vite.config.ts
@@ -35,6 +35,9 @@ export default defineConfig({
       formats: ['es', 'cjs'],
     },
     rollupOptions: {
+      output: {
+        preserveModules: true,
+      },
       // External packages that should not be bundled into your library.
       external: [
         'nuxt',
diff --git a/packages/store/package.json b/packages/store/package.json
index 17cd0418..84c68541 100644
--- a/packages/store/package.json
+++ b/packages/store/package.json
@@ -13,6 +13,7 @@
   ],
   "version": "0.7.1",
   "sideEffects": false,
+  "type": "module",
   "dependencies": {
     "@nabla-studio/chain-registry": "*",
     "@quirks/core": "*"
diff --git a/packages/store/vite.config.ts b/packages/store/vite.config.ts
index 01ae0b7d..c2fd5b96 100644
--- a/packages/store/vite.config.ts
+++ b/packages/store/vite.config.ts
@@ -33,6 +33,9 @@ export default defineConfig({
       formats: ['es', 'cjs'],
     },
     rollupOptions: {
+      output: {
+        preserveModules: true,
+      },
       // External packages that should not be bundled into your library.
       external: [
         'zustand',
diff --git a/packages/vue/package.json b/packages/vue/package.json
index cf0061b4..bfe2d4e8 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -13,6 +13,7 @@
   ],
   "version": "0.2.3",
   "sideEffects": false,
+  "type": "module",
   "dependencies": {
     "@quirks/store": "*",
     "@quirks/core": "*"
diff --git a/packages/vue/vite.config.ts b/packages/vue/vite.config.ts
index 8c47b79c..2305c23c 100644
--- a/packages/vue/vite.config.ts
+++ b/packages/vue/vite.config.ts
@@ -35,6 +35,9 @@ export default defineConfig({
       formats: ['es', 'cjs'],
     },
     rollupOptions: {
+      output: {
+        preserveModules: true,
+      },
       // External packages that should not be bundled into your library.
       external: [
         'vue',
diff --git a/packages/wallets/package.json b/packages/wallets/package.json
index 4cea43f4..60dab3a2 100644
--- a/packages/wallets/package.json
+++ b/packages/wallets/package.json
@@ -13,6 +13,7 @@
   ],
   "version": "0.5.0",
   "sideEffects": false,
+  "type": "module",
   "dependencies": {
     "@quirks/core": "*",
     "@nabla-studio/chain-registry": "*"
diff --git a/packages/wallets/vite.config.ts b/packages/wallets/vite.config.ts
index 0cacfbcd..558aa745 100644
--- a/packages/wallets/vite.config.ts
+++ b/packages/wallets/vite.config.ts
@@ -33,6 +33,9 @@ export default defineConfig({
       formats: ['es', 'cjs'],
     },
     rollupOptions: {
+      output: {
+        preserveModules: true,
+      },
       // External packages that should not be bundled into your library.
       external: [
         'cosmjs-types',