diff --git a/Gemfile b/Gemfile
index 2303c523..df80b9ab 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,6 +38,6 @@ group :test do
 end
 
 gem 'curb', '~> 0.8'
-gem 'nokogiri', '~> 1.5'
+gem 'nokogiri', '~> 1.15'
 gem 'docsplit', '~> 0.6'
 gem 'us-documents' # for bill/FR html processing
diff --git a/Gemfile.lock b/Gemfile.lock
index 63589352..2edc7965 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.5)
     mongoid (3.1.7)
       activemodel (~> 3.2)
       moped (~> 1.4)
@@ -55,8 +55,9 @@ GEM
     multi_json (1.12.1)
     multipart-post (2.0.0)
     newrelic_rpm (3.17.1.326)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.15.6)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     oj (1.4.7)
     origin (1.1.0)
     ox (2.4.5)
@@ -75,6 +76,7 @@ GEM
     pry-stack_explorer (0.4.9.2)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
+    racc (1.7.3)
     rack (1.6.5)
     rack-protection (1.5.3)
       rack
@@ -113,7 +115,7 @@ DEPENDENCIES
   elasticsearch (~> 1.0)
   mongoid (~> 3.1)
   newrelic_rpm
-  nokogiri (~> 1.5)
+  nokogiri (~> 1.15)
   oj (~> 1.0)
   ox (~> 2.0)
   paint
diff --git a/vendor/cache/mini_portile2-2.1.0.gem b/vendor/cache/mini_portile2-2.1.0.gem
deleted file mode 100644
index bb3fbc78..00000000
Binary files a/vendor/cache/mini_portile2-2.1.0.gem and /dev/null differ
diff --git a/vendor/cache/mini_portile2-2.8.5.gem b/vendor/cache/mini_portile2-2.8.5.gem
new file mode 100644
index 00000000..15bfb05c
Binary files /dev/null and b/vendor/cache/mini_portile2-2.8.5.gem differ
diff --git a/vendor/cache/nokogiri-1.15.6-x86_64-linux.gem b/vendor/cache/nokogiri-1.15.6-x86_64-linux.gem
new file mode 100644
index 00000000..7aaacd90
Binary files /dev/null and b/vendor/cache/nokogiri-1.15.6-x86_64-linux.gem differ
diff --git a/vendor/cache/nokogiri-1.6.8.1.gem b/vendor/cache/nokogiri-1.6.8.1.gem
deleted file mode 100644
index c98d8312..00000000
Binary files a/vendor/cache/nokogiri-1.6.8.1.gem and /dev/null differ
diff --git a/vendor/cache/racc-1.7.3.gem b/vendor/cache/racc-1.7.3.gem
new file mode 100644
index 00000000..077ab2e3
Binary files /dev/null and b/vendor/cache/racc-1.7.3.gem differ