diff --git a/pre-requirements.txt b/pre-requirements.txt
index 6eb4669059..7ecead0ce7 100644
--- a/pre-requirements.txt
+++ b/pre-requirements.txt
@@ -1,2 +1,2 @@
-numpy
+numpy==1.6.2
 distribute>=0.6.28
diff --git a/requirements.txt b/requirements.txt
index 7bfaa11bc6..07cd2f767b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ http://sympy.googlecode.com/files/sympy-0.7.1.tar.gz
 newrelic==1.8.0.13
 glob2==0.3
 pymongo==2.4.1
-django_nose
+django_nose==1.1
 nosexcover==1.0.7
 rednose==0.3.3
 GitPython==0.3.2.RC1