diff --git a/Gemfile.lock b/Gemfile.lock
index 730bc2a..339df33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -19,6 +19,7 @@ GEM
     execjs (2.7.0)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
+    ffi (1.11.1)
     ffi (1.11.1-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
@@ -187,6 +188,8 @@ GEM
     minitest (5.11.3)
     multipart-post (2.1.1)
     net-dns (0.9.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.4-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     octokit (4.14.0)
@@ -219,6 +222,7 @@ GEM
 
 PLATFORMS
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   github-pages