diff --git a/Gemfile.lock b/Gemfile.lock
index a607a96..ca9e4a8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,6 +14,7 @@ GEM
     coffee-script-source (1.11.1)
     colorator (1.1.0)
     colored (1.2)
+    concurrent-ruby (1.1.8)
     ethon (0.10.1)
       ffi (>= 1.3.0)
     execjs (2.7.0)
@@ -65,7 +66,8 @@ GEM
       parallel (~> 1.3)
       typhoeus (~> 0.7)
       yell (~> 2.0)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jekyll (3.3.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -111,26 +113,28 @@ GEM
       gemoji (~> 2.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0)
-    json (2.1.0)
+    json (1.8.6)
     kramdown (1.11.1)
     liquid (3.0.6)
     listen (3.0.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.5.1)
     minima (2.0.0)
-    minitest (5.10.1)
+    minitest (5.14.4)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.11.5)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     octokit (4.6.2)
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.10.0)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (1.5.3)
+    racc (1.5.2)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -142,10 +146,10 @@ GEM
       faraday (~> 0.8, < 1.0)
     terminal-table (1.7.3)
       unicode-display_width (~> 1.1.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unicode-display_width (1.1.1)
     yell (2.0.7)