diff --git a/requirements-dev.txt b/requirements-dev.txt
index 898ab65..e49f395 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,23 +2,23 @@
 --requirement requirements.txt
 
 # Testing
-pytest==2.5.1
-py==1.4.19
-mock==1.0.1
+pytest==3.0.6
+py==1.4.32
+mock==2.0.0
 
 # Linting
-flake8==2.1.0
-mccabe==0.2.1
-pep8==1.4.6
-pyflakes==0.7.3
+flake8==3.3.0
+mccabe==0.6.1
+pep8==1.7.0
+pyflakes==1.5.0
 
 # Documentation
-Sphinx==1.2
-docutils==0.11
-Jinja2==2.7.1
-MarkupSafe==0.18
-Pygments==1.6
+Sphinx==1.5.2
+docutils==0.13.1
+Jinja2==2.9.5
+MarkupSafe==0.23
+Pygments==2.2.0
 
 # Miscellaneous
-Paver==1.2.1
-colorama==0.2.7
+Paver==1.2.4
+colorama==0.3.7