diff --git a/Gemfile.lock b/Gemfile.lock
index 71dfcfa..6e316da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,15 +109,15 @@ GEM
       rb-inotify (>= 0.9)
     maruku (0.7.0)
     mercenary (0.3.5)
-    mini_portile (0.6.2)
+    mini_portile2 (2.4.0)
     minitest (5.8.1)
     multi_json (1.11.2)
     net-dns (0.8.0)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     parslet (1.5.0)
       blankslate (~> 2.0)
-    posix-spawn (0.3.11)
+    posix-spawn (0.3.13)
     public_suffix (1.5.1)
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
@@ -137,7 +137,7 @@ GEM
       ethon (>= 0.8.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    yajl-ruby (1.3.1)
+    yajl-ruby (1.2.3)
 
 PLATFORMS
   ruby