diff --git a/requirements.txt b/requirements.txt
index bb0c2f4195..ea2e372825 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,44 +1,61 @@
-autopep8
+autopep8==1.2.4
 Babel==0.9.6
-beautifulsoup4>=4.4.1
-boto==2.39
+beautifulsoup4==4.5.1
+boto==2.39.0
+configparser==3.5.0
 coverage==4.1
 decorator==3.4.0
-flake8
+docutils==0.12
+enum34==1.1.6
+flake8==3.0.4
+future==0.16.0
 gatilegrid==0.0.5
-geoalchemy2==0.3
+GeoAlchemy2==0.3.0
 geojson==1.0.1
 httplib2==0.9
-lxml==2.3.0
+Jinja2==2.8
+lxml==2.3
 Mako==1.0.0
-nose==1.3.7
+MarkupSafe==0.23
+mccabe==0.5.2
 networkx==1.10
+nose==1.3.7
 OWSLib==0.8.8
-papyrus==2.0dev1
+papyrus==2.0.dev1
+PasteDeploy==1.5.2
+pep8==1.7.0
 Pillow==3.1.0
 polib==1.0.3
 psycopg2==2.6.2
-Pygments
+pycodestyle==2.0.0
+pyflakes==1.2.3
+Pygments==2.1.3
+PyPDF2==1.23
 pyramid==1.7
 pyramid-debugtoolbar==3.0.2
 pyramid-mako==1.0.2
-pyramid_tm==0.7
+pyramid-tm==0.7
+PyRSS2Gen==1.1
 pystache==0.5.3
-PyPDF2==1.23
-PyRSS2Gen>=1.1
+python-dateutil==2.6.0
+pytz==2016.7
 PyYAML==3.10
 qrcode==4.0.4
-regex==2014.02.19
+regex==2014.2.19
 repoze.lru==0.6
 requests==2.5.1
-shapely==1.3.3
+Shapely==1.3.3
+simplejson==3.10.0
 six==1.5.0
 Sphinx==1.2.3
-sphinx_rtd_theme==0.1.6-ga3
+sphinx-rtd-theme==0.1.6-ga3
 SQLAlchemy==1.0.14
+toml==0.9.2
+transaction==2.0.2
+translationstring==1.3
+venusian==1.0
 waitress==0.9.0
 WebOb==1.6.1
 WebTest==2.0.21
-toml
-lxml==2.3.0
+zope.deprecation==4.2.0
 zope.interface==4.2.0