diff --git a/pyproject.toml b/pyproject.toml
index b4d3e1e8..7b3170ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ pyOpenSSL = "18.0.0"
 aiohttp = "3.4.4"
 aiohttp-jinja2 = "1.1.0"
 aiohttp-cors = "0.7.0"
-aiohttp-json-rpc = "0.11.2"
+aiohttp-json-rpc = "0.12.1"
 toml = "0.10.0"
 pysha3 = "1.0.2"
 # TODO: Migrate to https://github.com/pyca/cryptography/pull/4114 when will be available