diff --git a/docs/Gemfile b/docs/Gemfile
index 18f79a6e..c83685cd 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -29,4 +29,4 @@ gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 gem "wdm", "~> 0.1.0" if Gem.win_platform?
 
 
-gem "webrick", "~> 1.7"
+gem "webrick", "~> 1.8"
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index b5a74e7c..7185dbe6 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -224,7 +224,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rouge (3.26.0)
     ruby2_keywords (0.0.5)
@@ -251,7 +251,7 @@ GEM
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
-    webrick (1.8.1)
+    webrick (1.8.2)
 
 PLATFORMS
   ruby
@@ -261,7 +261,7 @@ DEPENDENCIES
   jekyll-feed (~> 0.6)
   minima (~> 2.0)
   tzinfo-data
-  webrick (~> 1.7)
+  webrick (~> 1.8)
 
 BUNDLED WITH
    2.3.8