diff --git a/Gemfile.lock b/Gemfile.lock
index e9466d3..6adc33b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -207,9 +207,9 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.0.0)
-    nokogiri (1.10.1)
+    nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.1-x64-mingw32)
+    nokogiri (1.10.7-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     octokit (4.13.0)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -240,8 +240,6 @@ GEM
       ethon (>= 0.9.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2018.9)
-      tzinfo (>= 1.0.0)
     unicode-display_width (1.5.0)
 
 PLATFORMS
@@ -250,7 +248,6 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
-  tzinfo-data
 
 BUNDLED WITH
    2.0.1