diff --git a/Gemfile.lock b/Gemfile.lock
index 1f35e15e..d4c7a753 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -300,7 +300,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     thumbs_up (0.6.9)
       activerecord (> 4.2, < 6)
       statistics2
@@ -313,7 +313,7 @@ GEM
       builder (>= 2.1.2)
       jwt (~> 1.0)
       multi_json (>= 1.3.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2018.9)
       tzinfo (>= 1.0.0)