diff --git a/Gemfile.lock b/Gemfile.lock
index f0a568a..12d450e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.3)
+    logger (1.6.4)
     memo_wise (1.10.0)
     mercenary (0.4.0)
     method_source (1.1.0)