diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index 80218ce..cb5167c
--- a/Gemfile
+++ b/Gemfile
@@ -7,4 +7,4 @@ group :jekyll_plugins do
   gem 'jekyll-feed'
   gem 'jekyll-seo-tag'
 end
-gem "webrick", "~> 1.7"
+gem "webrick", "~> 1.8", ">= 1.8.2"
diff --git a/Gemfile.lock b/Gemfile.lock
index 562782f..f506758 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ GEM
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     unicode-display_width (1.8.0)
-    webrick (1.7.0)
+    webrick (1.8.2)
 
 PLATFORMS
   ruby
@@ -72,7 +72,7 @@ DEPENDENCIES
   jekyll-feed
   jekyll-seo-tag
   jekyll-sitemap
-  webrick (~> 1.7)
+  webrick (~> 1.8, >= 1.8.2)
 
 BUNDLED WITH
-   2.2.22
+   2.1.4