diff --git a/requirements.txt b/requirements.txt
index e915b95a5..cc00a8d69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,4 +41,3 @@ sqlparse==0.1.19
 Werkzeug==0.9.6
 WTForms==2.0.2
 backports.csv==1.0.4; python_version <= '2.7'
-mock===2.0.0; python_version < '3.3'
diff --git a/web/regression/requirements.txt b/web/regression/requirements.txt
index f44953d55..b58428cf9 100644
--- a/web/regression/requirements.txt
+++ b/web/regression/requirements.txt
@@ -4,7 +4,7 @@ testscenarios==0.5.0
 testtools==2.0.0
 traceback2==1.4.0
 unittest2==1.1.0
-mock~=2.0.0
+mock===2.0.0; python_version < '3.3'
 
 # Leave this at the end because there is a bug where the '--install-option' is applied to all subsequent requirements
 chromedriver_installer==0.0.6 --install-option='--chromedriver-version=2.29'