diff --git a/.changeset/khaki-bugs-fix.md b/.changeset/khaki-bugs-fix.md
new file mode 100644
index 00000000..094326dc
--- /dev/null
+++ b/.changeset/khaki-bugs-fix.md
@@ -0,0 +1,6 @@
+---
+"@abstract-money/cosmwasm-utils": patch
+"@abstract-money/core": patch
+---
+
+Ensure that cosmwasm-utils is cjs-compatible
diff --git a/packages/cosmwasm-utils/package.json b/packages/cosmwasm-utils/package.json
index 54aeb7f2..ab0180c8 100644
--- a/packages/cosmwasm-utils/package.json
+++ b/packages/cosmwasm-utils/package.json
@@ -36,15 +36,36 @@
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "default": "./dist/index.js"
+      "import": {
+        "types": "./dist/index.d.ts",
+        "import": "./dist/index.js"
+      },
+      "require": {
+        "types": "./dist/index.d.cts",
+        "require": "./dist/index.cjs"
+      }
     },
     "./client": {
       "types": "./dist/client/index.d.ts",
-      "default": "./dist/client/index.js"
+      "import": {
+        "types": "./dist/client/index.d.ts",
+        "import": "./dist/client/index.js"
+      },
+      "require": {
+        "types": "./dist/client/index.d.cts",
+        "require": "./dist/client/index.cjs"
+      }
     },
     "./query": {
       "types": "./dist/query/index.d.ts",
-      "default": "./dist/query/index.js"
+      "import": {
+        "types": "./dist/query/index.d.ts",
+        "import": "./dist/query/index.js"
+      },
+      "require": {
+        "types": "./dist/query/index.d.cts",
+        "require": "./dist/query/index.cjs"
+      }
     },
     "./package.json": "./package.json"
   },
diff --git a/packages/cosmwasm-utils/tsup.config.ts b/packages/cosmwasm-utils/tsup.config.ts
index 7447e4de..2a3bb708 100644
--- a/packages/cosmwasm-utils/tsup.config.ts
+++ b/packages/cosmwasm-utils/tsup.config.ts
@@ -10,6 +10,6 @@ export default defineConfig(
     //dev: process.env.DEV === 'true',
     entry: ['src/index.ts', 'src/client/index.ts', 'src/query/index.ts'],
     external: [...Object.keys(dependencies)],
-    format: ['esm'],
+    format: ['esm', 'cjs'],
   }),
 )