diff --git a/packages/json-rpc/package.json b/packages/json-rpc/package.json
index 0ff98b16..96ac1496 100644
--- a/packages/json-rpc/package.json
+++ b/packages/json-rpc/package.json
@@ -44,7 +44,7 @@
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
   "dependencies": {
-    "@iov/stream": "^2.3.2",
+    "@cosmjs/stream": "^0.20.0",
     "xstream": "^11.10.0"
   }
 }
diff --git a/packages/json-rpc/src/jsonrpcclient.ts b/packages/json-rpc/src/jsonrpcclient.ts
index d2f60db6..e78b431e 100644
--- a/packages/json-rpc/src/jsonrpcclient.ts
+++ b/packages/json-rpc/src/jsonrpcclient.ts
@@ -1,4 +1,4 @@
-import { firstEvent } from "@iov/stream";
+import { firstEvent } from "@cosmjs/stream";
 import { Stream } from "xstream";
 
 import { isJsonRpcErrorResponse, JsonRpcRequest, JsonRpcResponse, JsonRpcSuccessResponse } from "./types";