diff --git a/lower-constraints.txt b/lower-constraints.txt
index 703e55483..797e735db 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -8,14 +8,14 @@ doc8==0.8.1
 docutils==0.15.2
 dogpile.cache==1.0.2
 enum34==1.0.4;python_version=='2.7'
-falcon==1.1.0
+falcon==3.0.0
 fixtures==3.0.0
 future==0.16.0
 futurist==1.2.0
 iso8601==0.1.11
 jsonschema==3.2.0
 keystoneauth1==3.4.0
-keystonemiddleware==4.17.0
+keystonemiddleware==9.1.0
 msgpack==1.0.0
 os-api-ref==1.4.0
 os-client-config==1.28.0
@@ -42,7 +42,7 @@ PyMySQL==0.8.0
 python-keystoneclient==3.8.0
 python-memcached==1.56
 python-subunit==1.0.0
-python-swiftclient==3.2.0
+python-swiftclient==3.10.1
 pytz==2013.6
 PyYAML==5.1
 redis==3.0.0
diff --git a/requirements.txt b/requirements.txt
index e847a88c6..965276098 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,13 +6,13 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 alembic>=0.9.6 # MIT
 Babel!=2.4.0,>=2.3.4 # BSD
 cryptography>=2.7 # BSD/Apache-2.0
-falcon>=1.1.0 # Apache-2.0
+falcon>=3.0.0 # Apache-2.0
 jsonschema>=3.2.0 # MIT
 iso8601>=0.1.11 # MIT
-keystonemiddleware>=4.17.0 # Apache-2.0
+keystonemiddleware>=9.1.0 # Apache-2.0
 msgpack>=1.0.0 # Apache-2.0
 python-memcached>=1.56 # PSF
-python-swiftclient>=3.2.0 # Apache-2.0
+python-swiftclient>=3.10.1 # Apache-2.0
 WebOb>=1.7.1 # MIT
 stevedore>=1.20.0 # Apache-2.0
 oslo.cache>=1.26.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index c30ca855a..61dfe3b44 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ hacking>=3.0.1,<3.1.0 # Apache-2.0
 # Backends
 redis>=3.0.0 # MIT
 pymongo>=3.6.0 # Apache-2.0
-python-swiftclient>=3.2.0 # Apache-2.0
+python-swiftclient>=3.10.1 # Apache-2.0
 websocket-client>=0.44.0 # LGPLv2+
 PyMySQL>=0.8.0 # MIT License
 
diff --git a/zaqar/tests/unit/transport/wsgi/v1/test_home.py b/zaqar/tests/unit/transport/wsgi/v1/test_home.py
index f40c828b9..d21eee9e1 100644
--- a/zaqar/tests/unit/transport/wsgi/v1/test_home.py
+++ b/zaqar/tests/unit/transport/wsgi/v1/test_home.py
@@ -24,7 +24,7 @@ class TestHomeDocument(base.V1Base):
     config_file = 'wsgi_mongodb.conf'
 
     def test_json_response(self):
-        body = self.simulate_get(self.url_prefix)
+        body = self.simulate_get(self.url_prefix + '/')
         self.assertEqual(falcon.HTTP_200, self.srmock.status)
 
         content_type = self.srmock.headers_dict['Content-Type']
@@ -36,7 +36,7 @@ class TestHomeDocument(base.V1Base):
             self.fail('Home document is not valid JSON')
 
     def test_href_template(self):
-        body = self.simulate_get(self.url_prefix)
+        body = self.simulate_get(self.url_prefix + '/')
         self.assertEqual(falcon.HTTP_200, self.srmock.status)
         resp = jsonutils.loads(body[0])
         queue_href_template = resp['resources']['rel/queue']['href-template']
diff --git a/zaqar/tests/unit/transport/wsgi/v1_1/test_home.py b/zaqar/tests/unit/transport/wsgi/v1_1/test_home.py
index 0b4028a81..428e329d9 100644
--- a/zaqar/tests/unit/transport/wsgi/v1_1/test_home.py
+++ b/zaqar/tests/unit/transport/wsgi/v1_1/test_home.py
@@ -30,7 +30,7 @@ class TestHomeDocument(base.V1_1Base):
             'Client-ID': uuidutils.generate_uuid(),
             'X-Project-ID': '8383830383abc_'
         }
-        body = self.simulate_get(self.url_prefix, headers=self.headers)
+        body = self.simulate_get(self.url_prefix + '/', headers=self.headers)
         self.assertEqual(falcon.HTTP_200, self.srmock.status)
 
         content_type = self.srmock.headers_dict['Content-Type']
@@ -46,7 +46,7 @@ class TestHomeDocument(base.V1_1Base):
             'Client-ID': uuidutils.generate_uuid(),
             'X-Project-ID': '8383830383'
         }
-        body = self.simulate_get(self.url_prefix, headers=self.headers)
+        body = self.simulate_get(self.url_prefix + '/', headers=self.headers)
         self.assertEqual(falcon.HTTP_200, self.srmock.status)
         resp = jsonutils.loads(body[0])
         queue_href_template = resp['resources']['rel/queue']['href-template']
diff --git a/zaqar/tests/unit/transport/wsgi/v2_0/test_home.py b/zaqar/tests/unit/transport/wsgi/v2_0/test_home.py
index c9b5213dc..e12e51994 100644
--- a/zaqar/tests/unit/transport/wsgi/v2_0/test_home.py
+++ b/zaqar/tests/unit/transport/wsgi/v2_0/test_home.py
@@ -30,7 +30,7 @@ class TestHomeDocument(base.V2Base):
             'Client-ID': uuidutils.generate_uuid(),
             'X-Project-ID': '8383830383abc_'
         }
-        body = self.simulate_get(self.url_prefix, headers=self.headers)
+        body = self.simulate_get(self.url_prefix + '/', headers=self.headers)
         self.assertEqual(falcon.HTTP_200, self.srmock.status)
 
         content_type = self.srmock.headers_dict['Content-Type']
@@ -46,7 +46,7 @@ class TestHomeDocument(base.V2Base):
             'Client-ID': uuidutils.generate_uuid(),
             'X-Project-ID': '8383830383'
         }
-        body = self.simulate_get(self.url_prefix, headers=self.headers)
+        body = self.simulate_get(self.url_prefix + '/', headers=self.headers)
         self.assertEqual(falcon.HTTP_200, self.srmock.status)
         resp = jsonutils.loads(body[0])
         queue_href_template = resp['resources']['rel/queue']['href-template']
diff --git a/zaqar/transport/wsgi/errors.py b/zaqar/transport/wsgi/errors.py
index 898774555..480697d1d 100644
--- a/zaqar/transport/wsgi/errors.py
+++ b/zaqar/transport/wsgi/errors.py
@@ -24,10 +24,10 @@ class HTTPServiceUnavailable(falcon.HTTPServiceUnavailable):
     TITLE = _(u'Service temporarily unavailable')
     DESCRIPTION = _(u'Please try again in a few seconds.')
 
-    def __init__(self, description, retry_after=30):
+    def __init__(self, description):
         description = description + ' ' + self.DESCRIPTION
         super(HTTPServiceUnavailable, self).__init__(
-            self.TITLE, description, retry_after)
+            self.TITLE, description)
 
 
 class HTTPBadRequestAPI(falcon.HTTPBadRequest):