diff --git a/CHANGES.txt b/CHANGES.txt
index eb39ca55..1b9822d0 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -5,6 +5,7 @@ Changes
 ^^^^^^^^^^^^^^^^^^
 
 * Added enforcement of plain response #57 (thanks @rymir)
+* botocore updated to version 1.4.73 #74 (thanks @vas3k)
 
 
 0.0.5 (2016-06-01)
diff --git a/aiobotocore/__init__.py b/aiobotocore/__init__.py
index 0f7897fe..ae082d84 100644
--- a/aiobotocore/__init__.py
+++ b/aiobotocore/__init__.py
@@ -1,4 +1,4 @@
 from .session import get_session, AioSession
 
-__version__ = '0.0.5'
+__version__ = '0.0.6'
 (get_session, AioSession)  # make pyflakes happy
diff --git a/aiobotocore/client.py b/aiobotocore/client.py
index ff26eeed..2817c85b 100644
--- a/aiobotocore/client.py
+++ b/aiobotocore/client.py
@@ -133,9 +133,10 @@ def __aexit__(self, exc_type, exc_val, exc_tb):
                                                              exc_val, exc_tb)
 
     def close(self):
-        """Close all http connections"""
-        # ClientSession.close() from aiohttp returns asyncio.Future here so
-        # this method could be used with yield from/await
+        """Close all http connections. This is coroutine, and should be
+        awaited. Method will be coroutine (instead returning Future) once
+        aiohttp does that.
+        """
         return self._endpoint._aio_session.close()
 
 
diff --git a/examples/simple.py b/examples/simple.py
index a114a1d2..875948f4 100644
--- a/examples/simple.py
+++ b/examples/simple.py
@@ -32,5 +32,6 @@ def go(loop):
     resp = yield from client.delete_object(Bucket=bucket, Key=key)
     print(resp)
 
+
 loop = asyncio.get_event_loop()
 loop.run_until_complete(go(loop))
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3bf4ebc1..fbf967a6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-flake8==3.0.4
+flake8==3.2.0
 pytest==3.0.4
 pytest-cov==2.4.0
 coverage==4.2
diff --git a/setup.py b/setup.py
index 999d5b6f..c2afafc3 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 from setuptools import setup, find_packages
 
 
-install_requires = ['botocore>=1.4.0, <=1.4.73', 'aiohttp>=0.21.2']
+install_requires = ['botocore>=1.4.29, <=1.4.73', 'aiohttp>=0.22.5']
 
 PY_VER = sys.version_info
 
diff --git a/tests/test_basic_s3.py b/tests/test_basic_s3.py
index 9e68a623..9c5d6ec0 100644
--- a/tests/test_basic_s3.py
+++ b/tests/test_basic_s3.py
@@ -124,6 +124,7 @@ def test_get_object_stream_wrapper(s3_client, create_object, bucket_name):
     chunk2 = yield from body.read()
     assert chunk1 == b'b'
     assert chunk2 == b'ody contents'
+    response['Body'].close()
 
 
 @pytest.mark.run_loop
@@ -204,6 +205,7 @@ def test_unicode_key_put_list(s3_client, bucket_name, create_object):
     assert parsed['Contents'][0]['Key'] == key_name
     parsed = yield from s3_client.get_object(Bucket=bucket_name, Key=key_name)
     data = yield from parsed['Body'].read()
+    parsed['Body'].close()
     assert data == b'foo'
 
 
@@ -255,6 +257,7 @@ def test_copy_with_quoted_char(s3_client, create_object, bucket_name):
     # Now verify we can retrieve the copied object.
     resp = yield from s3_client.get_object(Bucket=bucket_name, Key=key_name2)
     data = yield from resp['Body'].read()
+    resp['Body'].close()
     assert data == b'foo'
 
 
@@ -271,6 +274,7 @@ def test_copy_with_query_string(s3_client, create_object, bucket_name):
     # Now verify we can retrieve the copied object.
     resp = yield from s3_client.get_object(Bucket=bucket_name, Key=key_name2)
     data = yield from resp['Body'].read()
+    resp['Body'].close()
     assert data == b'foo'
 
 
@@ -287,6 +291,7 @@ def test_can_copy_with_dict_form(s3_client, create_object, bucket_name):
     # Now verify we can retrieve the copied object.
     resp = yield from s3_client.get_object(Bucket=bucket_name, Key=key_name2)
     data = yield from resp['Body'].read()
+    resp['Body'].close()
     assert data == b'foo'