diff --git a/electrumx/server/controller.py b/electrumx/server/controller.py
index 1587b19..8dc6b0d 100644
--- a/electrumx/server/controller.py
+++ b/electrumx/server/controller.py
@@ -81,8 +81,8 @@ class Controller(ServerBase):
         '''Start the RPC server and wait for the mempool to synchronize.  Then
         start serving external clients.
         '''
-        if not (0, 6) <= aiorpcx_version < (0, 7):
-            raise RuntimeError('ElectrumX requires aiorpcX version 0.6.x')
+        if not (0, 6, 2) <= aiorpcx_version < (0, 7):
+            raise RuntimeError('aiorpcX version 0.6.x with x>=2 required')
 
         env = self.env
         min_str, max_str = env.coin.SESSIONCLS.protocol_min_max_strings()
diff --git a/setup.py b/setup.py
index 2a1a11e..86c94a2 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ setuptools.setup(
     # "blake256" package is required to sync Decred network.
     # "xevan_hash" package is required to sync Xuez network.
     # "groestlcoin_hash" package is required to sync Groestlcoin network.
-    install_requires=['aiorpcX >= 0.6.0', 'aiorpcX < 0.7.0', 'attrs>=15',
+    install_requires=['aiorpcX >= 0.6.2', 'aiorpcX < 0.7.0', 'attrs>=15',
                       'plyvel', 'pylru', 'aiohttp >= 2'],
     packages=setuptools.find_packages(include=('electrumx*',)),
     description='ElectrumX Server',