diff --git a/Gemfile.lock b/Gemfile.lock
index 81e39ed..1e9218d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,7 +43,7 @@ GEM
     base58 (0.1.0)
     builder (3.2.3)
     byebug (9.1.0)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     connection_pool (2.2.1)
     crass (1.0.6)
     diff-lcs (1.3)
@@ -55,10 +55,10 @@ GEM
     firebase (0.2.6)
       httpclient
       json
-    globalid (0.4.1)
-      activesupport (>= 4.2.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
     httpclient (2.8.3)
-    i18n (0.9.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     json (2.3.1)
     listen (3.0.8)
@@ -74,7 +74,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.4.0)
-    minitest (5.10.3)
+    minitest (5.17.0)
     nio4r (2.1.0)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
@@ -163,7 +163,7 @@ GEM
       sprockets (>= 3.0.0)
     thor (0.20.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.4)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
     validation_contract (0.1.10)