diff --git a/Gemfile.lock b/Gemfile.lock
index e1bd8809..23f5809f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.2)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -13,7 +13,7 @@ GEM
     bitcoin-ruby (0.0.18)
     colorator (1.1.0)
     colorize (0.8.1)
-    concurrent-ruby (1.1.4)
+    concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
@@ -70,7 +70,7 @@ GEM
       multi_json (~> 1.10)
     mercenary (0.3.6)
     mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    minitest (5.14.1)
     multi_json (1.13.1)
     neatjson (0.8.4)
     nokogiri (1.8.5)
@@ -102,7 +102,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     yell (2.0.7)