diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20b59cf28e..d20828e4c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to
 
 ## [Unreleased]
 
+### Fixed
+
+- @cosmjs/tendermint-rpc: Add missing `BlockSearchResponse` case to `Response`.
+
 ### Changed
 
 - @cosmjs/stargate: Remove verified queries from `AuthExtension` and
diff --git a/packages/tendermint-rpc/src/tendermint34/responses.ts b/packages/tendermint-rpc/src/tendermint34/responses.ts
index 926178a683..dfbc4e9a04 100644
--- a/packages/tendermint-rpc/src/tendermint34/responses.ts
+++ b/packages/tendermint-rpc/src/tendermint34/responses.ts
@@ -8,6 +8,7 @@ export type Response =
   | AbciQueryResponse
   | BlockResponse
   | BlockResultsResponse
+  | BlockSearchResponse
   | BlockchainResponse
   | BroadcastTxAsyncResponse
   | BroadcastTxSyncResponse