diff --git a/readouts-tracker-api/Gemfile.lock b/readouts-tracker-api/Gemfile.lock
index 40dab76..c751e0a 100644
--- a/readouts-tracker-api/Gemfile.lock
+++ b/readouts-tracker-api/Gemfile.lock
@@ -228,7 +228,7 @@ GEM
       sprockets (>= 3.0.0)
     thor (1.0.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
     websocket-driver (0.7.1)