diff --git a/requirements.txt b/requirements.txt
index 085cd10..fbea566 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,20 +1,20 @@
-codeclimate-test-reporter==0.2.1
-coverage==4.3.4
+codeclimate-test-reporter==0.2.3
+coverage==4.4.1
 extras==1.0.0
 fixtures==3.0.0
 linecache2==1.0.0
 mkdocs==0.16.3
-mox3==0.20.0
-pbr==2.1.0
-py==1.4.33
-pyfakefs==3.1
-pytest==3.0.7
-pytest-cov==2.4.0
+mox3==0.23.0
+pbr==3.1.1
+py==1.4.34
+pyfakefs==3.2
+pytest==3.1.3
+pytest-cov==2.5.1
 pytest-runner==2.11.1
 python-mimeparse==1.6.0
 PyYAML==3.12
-requests==2.13.0
+requests==2.18.2
 six==1.10.0
-testtools==2.2.0
+testtools==2.3.0
 traceback2==1.4.0
 unittest2==1.1.0