diff --git a/Gemfile.lock b/Gemfile.lock
index 35688ea1..03a47b11 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,7 +107,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.5)
+    logger (1.6.6)
     memoist (0.16.2)
     metrics (0.12.1)
     middleman (4.5.1)