diff --git a/requirements.txt b/requirements.txt
index 095bc8e..dde7869 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,6 +17,6 @@ pyflakes==1.6.0
 pytest==3.5.0
 pytest-cov==2.5.1
 requests==2.18.4
-requests-mock==1.4.0
+requests-mock==1.5.0
 six==1.11.0
 urllib3==1.22