diff --git a/docs/HOWTO.rst b/docs/HOWTO.rst
index 404493e..8f76e6c 100644
--- a/docs/HOWTO.rst
+++ b/docs/HOWTO.rst
@@ -18,11 +18,10 @@ Package          Notes
 Python3          ElectrumX uses asyncio.  Python version >= 3.6 is
                  **required**.
 `aiohttp`_       Python library for asynchronous HTTP.  Version >=
-                 1.0 required; I am using 3.0.1.
-`pylru`_         Python LRU cache package.  I'm using 1.0.9.
-DB Engine        I use `plyvel`_ 0.9, a Python interface to LevelDB.
-                 A database engine package is required but others
-                 are supported (see **Database Engine** below).
+                 2.0 required.
+`pylru`_         Python LRU cache package.
+DB Engine        A database engine package is required; two are
+                 supported (see `Database Engine`_ below).
 ================ ========================
 
 Some coins need an additional package, typically for their block hash
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 5852dae..2606757 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -14,6 +14,7 @@ Version 1.6.1  (in progress)
 ============================
 
 * cleaner shutdown process with clear guarantees
+* aiohttp min version requirement raised to 2.0
 * onion peers are ignored if no tor proxy is available
 * add Motion coin (ocruzv)
 
diff --git a/electrumx/server/daemon.py b/electrumx/server/daemon.py
index 8f4ccaa..2425867 100644
--- a/electrumx/server/daemon.py
+++ b/electrumx/server/daemon.py
@@ -48,13 +48,6 @@ class Daemon(object):
         self.down = False
         self.last_error_time = 0
         self.req_id = 0
-        # assignment of asyncio.TimeoutError are essentially ignored
-        if aiohttp.__version__.startswith('1.'):
-            self.ClientHttpProcessingError = aiohttp.ClientHttpProcessingError
-            self.ClientPayloadError = asyncio.TimeoutError
-        else:
-            self.ClientHttpProcessingError = asyncio.TimeoutError
-            self.ClientPayloadError = aiohttp.ClientPayloadError
         self._available_rpcs = {}  # caches results for _is_rpc_available()
 
     def next_req_id(self):
@@ -140,9 +133,7 @@ class Daemon(object):
                 log_error('timeout error.')
             except aiohttp.ServerDisconnectedError:
                 log_error('disconnected.')
-            except self.ClientHttpProcessingError:
-                log_error('HTTP error.')
-            except self.ClientPayloadError:
+            except aiohttp.ClientPayloadError:
                 log_error('payload encoding error.')
             except aiohttp.ClientConnectionError:
                 log_error('connection problem - is your daemon running?')
diff --git a/setup.py b/setup.py
index 66bfbd0..7dbfb05 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ setuptools.setup(
     # "tribus_hash" package is required to sync Denarius network.
     # "blake256" package is required to sync Decred network.
     # "xevan_hash" package is required to sync Xuez network.
-    install_requires=['aiorpcX >= 0.5.6', 'plyvel', 'pylru', 'aiohttp >= 1'],
+    install_requires=['aiorpcX >= 2.0', 'plyvel', 'pylru', 'aiohttp >= 1'],
     packages=setuptools.find_packages(include=('electrumx*',)),
     description='ElectrumX Server',
     author='Neil Booth',