diff --git a/lower-constraints.txt b/lower-constraints.txt
index 9b8ba528..da1395fd 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -44,7 +44,7 @@ python-subunit==1.0.0
 pytz==2013.6
 PyYAML==3.12
 requests==2.14.2
-requests-mock==1.1.0
+requests-mock==1.2.0
 requestsexceptions==1.2.0
 rfc3986==0.3.1
 six==1.10.0