diff --git a/Gemfile.lock b/Gemfile.lock
index e2d30031..6022b6af 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.3)
+    activesupport (5.2.8.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -16,7 +16,7 @@ GEM
     asciidoctor (2.0.10)
     coderay (1.1.2)
     colorator (1.1.0)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     cssminify2 (2.0.1)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
@@ -91,7 +91,7 @@ GEM
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.17.0)
     multipart-post (2.1.1)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
@@ -119,7 +119,7 @@ GEM
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)