diff --git a/Gemfile.lock b/Gemfile.lock
index 367ed5c..c567c43 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
     gherkin (5.1.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    guard (2.15.0)
+    guard (2.15.1)
       formatador (>= 0.2.4)
       listen (>= 2.7, < 4.0)
       lumberjack (>= 1.0.12, < 2.0)