diff --git a/packages/tendermint-rpc/package.json b/packages/tendermint-rpc/package.json
index 794dc1d2..a4bc2ba6 100644
--- a/packages/tendermint-rpc/package.json
+++ b/packages/tendermint-rpc/package.json
@@ -49,6 +49,7 @@
     "@cosmjs/json-rpc": "^0.20.0",
     "@cosmjs/math": "^0.20.0",
     "@cosmjs/socket": "^0.20.0",
+    "@cosmjs/stream": "^0.20.0",
     "axios": "^0.19.0",
     "readonly-date": "^1.0.0",
     "type-tagger": "^1.0.0",
diff --git a/packages/tendermint-rpc/src/client.spec.ts b/packages/tendermint-rpc/src/client.spec.ts
index 2e7e4557..8c32389a 100644
--- a/packages/tendermint-rpc/src/client.spec.ts
+++ b/packages/tendermint-rpc/src/client.spec.ts
@@ -1,6 +1,6 @@
 import { toAscii } from "@cosmjs/encoding";
+import { firstEvent, toListPromise } from "@cosmjs/stream";
 import { sleep } from "@cosmjs/utils";
-import { firstEvent, toListPromise } from "@iov/stream";
 import { ReadonlyDate } from "readonly-date";
 import { Stream } from "xstream";
 
diff --git a/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts b/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts
index 9008e2c6..0f15cb79 100644
--- a/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts
+++ b/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts
@@ -1,4 +1,4 @@
-import { toListPromise } from "@iov/stream";
+import { toListPromise } from "@cosmjs/stream";
 import { Stream } from "xstream";
 
 import { defaultInstance } from "../config.spec";
diff --git a/packages/tendermint-rpc/src/rpcclients/websocketclient.ts b/packages/tendermint-rpc/src/rpcclients/websocketclient.ts
index f6909cfd..458353fa 100644
--- a/packages/tendermint-rpc/src/rpcclients/websocketclient.ts
+++ b/packages/tendermint-rpc/src/rpcclients/websocketclient.ts
@@ -7,7 +7,7 @@ import {
   parseJsonRpcResponse,
 } from "@cosmjs/json-rpc";
 import { ConnectionStatus, ReconnectingSocket, SocketWrapperMessageEvent } from "@cosmjs/socket";
-import { firstEvent } from "@iov/stream";
+import { firstEvent } from "@cosmjs/stream";
 import { Listener, Producer, Stream, Subscription } from "xstream";
 
 import { hasProtocol, RpcStreamingClient, SubscriptionEvent } from "./rpcclient";