diff --git a/requirements/dev.txt b/requirements/dev.txt
index 7a4292f17..df3979bd0 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,8 +1,8 @@
 # Dependencies (both pure-Python and compiled) needed only in development
 
 # for the test suite and coverage metrics
-py==1.4.7
-pytest==2.3.4
+py==1.4.12
+pytest==2.3.4   
 pytest-cov==1.6
 cov-core==1.6
 coverage==3.5.2