Update dependencies

requirements-dev.txt

@@ -7,5 +7,5 @@ pytest-cov
 Sphinx
 alabaster
 flake8
-tox==2.9.0
+tox==3.0.0
 bumpversion==0.5.3

requirements-test.txt

@@ -1,7 +1,7 @@
 -rrequirements.txt
 -rrequirements-cov.txt
 flake8==3.5.0
-pytest==3.4.2
-pytest-flake8==0.9.1
-pytest-mock==1.7.1
+pytest==3.5.0
+pytest-flake8==1.0.0
+pytest-mock==1.9.0
 freezegun==0.3.10

requirements.txt

@@ -1,4 +1,4 @@
-alembic==0.9.8
+alembic==0.9.9
 amqp==2.1.4
 attrs==17.4.0
 Babel==2.5.3
@@ -35,19 +35,19 @@ Mako==1.0.7
 MarkupSafe==1.0
 mistune==0.8.3
 olefile==0.45.1
-Pillow==5.0.0
+Pillow==5.1.0
 pluggy==0.6.0
 Pygments==2.2.0
-python-dateutil==2.6.1
+python-dateutil==2.7.2
 python-editor==1.0.3
-pytz==2018.3
+pytz==2018.4
 redis==2.10.6
 requests==2.18.4
 simplejson==3.13.2
 six==1.11.0
 speaklater==1.3
-SQLAlchemy==1.2.5
-SQLAlchemy-Utils==0.33.1
+SQLAlchemy==1.2.6
+SQLAlchemy-Utils==0.33.2
 Unidecode==1.0.22
 urllib3==1.22
 vine==1.1.4