diff --git a/Gemfile.lock b/Gemfile.lock
index 64edad4..d79249f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,7 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.3.8)
     blankslate (2.1.2.4)
-    celluloid (0.16.1)
+    celluloid (0.16.0)
       timers (~> 4.0.0)
     classifier-reborn (2.0.3)
       fast-stemmer (~> 1.0)
@@ -54,7 +54,7 @@ GEM
       net-dns (~> 0.8)
       public_suffix (~> 1.4)
       typhoeus (~> 0.7)
-    hitimes (1.2.3)
+    hitimes (2.0.0)
     html-pipeline (1.9.0)
       activesupport (>= 2)
       nokogiri (~> 1.4)
@@ -102,11 +102,12 @@ GEM
       rb-inotify (>= 0.9)
     maruku (0.7.0)
     mercenary (0.3.5)
-    mini_portile (0.6.2)
+    mini_portile2 (2.5.1)
     minitest (5.8.0)
     net-dns (0.8.0)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     parslet (1.5.0)
       blankslate (~> 2.0)
     posix-spawn (0.3.11)
@@ -114,6 +115,7 @@ GEM
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
+    racc (1.5.2)
     rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)