diff --git a/moto/__init__.py b/moto/__init__.py
index df283fc63..f1ae2ab66 100644
--- a/moto/__init__.py
+++ b/moto/__init__.py
@@ -31,3 +31,13 @@ from .sqs import mock_sqs  # flake8: noqa
 from .sts import mock_sts  # flake8: noqa
 from .route53 import mock_route53  # flake8: noqa
 from .swf import mock_swf  # flake8: noqa
+
+
+try:
+    # Need to monkey-patch botocore requests back to underlying urllib3 classes
+    from botocore.awsrequest import HTTPSConnectionPool, HTTPConnectionPool, HTTPConnection, VerifiedHTTPSConnection
+except ImportError:
+    pass
+else:
+    HTTPSConnectionPool.ConnectionCls = VerifiedHTTPSConnection
+    HTTPConnectionPool.ConnectionCls = HTTPConnection
diff --git a/requirements-dev.txt b/requirements-dev.txt
index a75fdcfb5..f2d5c6cfc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,6 +7,6 @@ freezegun
 flask
 # botocore 1.3.29 breaks s3 in tests (lambda and s3 tests)
 # so we need to pin a boto3 and botocore revision pair that we know works
-boto3==1.2.4
-botocore==1.3.28
+boto3
+botocore
 six