diff --git a/app/weblab-api/Gemfile.lock b/app/weblab-api/Gemfile.lock
index 924901e..7ba8e80 100644
--- a/app/weblab-api/Gemfile.lock
+++ b/app/weblab-api/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
       tilt (~> 2.0)
     thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS