diff --git a/Gemfile.lock b/Gemfile.lock
index 07a7f282..bff6aad0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.5)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     classifier-reborn (2.3.0)
       fast-stemmer (~> 1.0)
@@ -24,7 +24,7 @@ GEM
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     fast-stemmer (1.0.2)
-    ffi (1.15.5)
+    ffi (1.16.3)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
     gsl (2.1.0.3)
@@ -35,7 +35,7 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    jekyll (4.3.2)
+    jekyll (4.3.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -111,13 +111,13 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     posix-spawn (0.3.15)
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     racc (1.7.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.6)
-    rouge (4.1.3)
+    rouge (4.2.0)
     ruby2_keywords (0.0.5)
     safe_yaml (1.0.5)
     sassc (2.4.0)
@@ -131,7 +131,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
     webrick (1.8.1)
 
 PLATFORMS