diff --git a/Gemfile.lock b/Gemfile.lock
index 7299398..26f207b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,8 +54,8 @@ GEM
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
     slop (3.6.0)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     vcr (3.0.3)
     webmock (2.1.0)