diff --git a/Gemfile.lock b/Gemfile.lock
index f0ddc67..e80525f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -114,6 +114,7 @@ GEM
       rouge (>= 2.0, < 4.0)
     jekyll-default-layout (0.1.4)
       jekyll (~> 3.0)
+    jekyll-email-protect (1.1.0)
     jekyll-feed (0.13.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-gist (1.5.0)
@@ -257,6 +258,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
+  jekyll-email-protect
   jekyll-feed (~> 0.6)
   minima (~> 2.0)
   rake