diff --git a/Gemfile.lock b/Gemfile.lock
index 60a18ea..b6a73ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -277,7 +277,7 @@ GEM
       json (~> 1.8)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
-    sinon-rails (1.10.3)
+    sinon-rails (1.15.0)
       railties (>= 3.1)
     spring (1.3.6)
     sprockets (2.12.3)
--
libgit2 0.21.2