diff --git a/Gemfile.lock b/Gemfile.lock
index 32ede46..e7c3f41 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     multi_json (1.14.1)
     multipart-post (2.1.1)
     necromancer (0.5.1)
-    os (1.1.0)
+    os (1.1.1)
     parallel (1.19.2)
     parser (2.7.1.4)
       ast (~> 2.4.1)