diff --git a/Gemfile.lock b/Gemfile.lock
index 6593038..09bf0f3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -191,12 +191,12 @@ GEM
       treetop (~> 1.4)
     terminal-table (1.7.3)
       unicode-display_width (~> 1.1.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     treetop (1.6.8)
       polyglot (~> 0.3)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.1.3)