diff --git a/requirements.txt b/requirements.txt
index 8e59c07..0d0b000 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 chainsyncer~=0.0.1a22
 chainlib~=0.0.2a6
-jsonrpc_std~=0.0.1a1
+jsonrpc_std~=0.0.1a2