diff --git a/Gemfile.lock b/Gemfile.lock
index 069311d..5b3597d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -119,10 +119,10 @@ GEM
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.2.1)