diff --git a/.changeset/soft-boats-raise.md b/.changeset/soft-boats-raise.md
new file mode 100644
index 0000000..b6ef551
--- /dev/null
+++ b/.changeset/soft-boats-raise.md
@@ -0,0 +1,5 @@
+---
+"@deroll/rpc": patch
+---
+
+revert ESM, issues with apollo/client
diff --git a/packages/rpc/package.json b/packages/rpc/package.json
index 7bda05e..32d0608 100644
--- a/packages/rpc/package.json
+++ b/packages/rpc/package.json
@@ -2,7 +2,6 @@
     "name": "@deroll/rpc",
     "version": "0.1.3",
     "description": "Cartesi JSON-RPC API",
-    "type": "module",
     "main": "./dist/index.js",
     "module": "./dist/index.mjs",
     "types": "./dist/index.d.ts",