diff --git a/Gemfile.lock b/Gemfile.lock
index f0ddc67..74976aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -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)
@@ -241,7 +242,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2020.1)
       tzinfo (>= 1.0.0)
@@ -257,6 +258,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
+  jekyll-email-protect
   jekyll-feed (~> 0.6)
   minima (~> 2.0)
   rake