diff --git a/google_drive/Gemfile.lock b/google_drive/Gemfile.lock
index 2ecd94a..588cc21 100644
--- a/google_drive/Gemfile.lock
+++ b/google_drive/Gemfile.lock
@@ -40,8 +40,8 @@ GEM
       faraday (~> 0.9)
       jwt (~> 1.5)
       multi_json (~> 1.10)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS