diff --git a/Gemfile.lock b/Gemfile.lock
index b64f890..4518037 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,21 +25,25 @@ GEM
     ethon (0.14.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    execjs (2.7.0)
-    faraday (1.4.1)
+    execjs (2.8.1)
+    faraday (1.4.2)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
       faraday-excon (~> 1.1)
       faraday-net_http (~> 1.0)
       faraday-net_http_persistent (~> 1.1)
       multipart-post (>= 1.2, < 3)
       ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
     faraday-excon (1.1.0)
     faraday-net_http (1.0.1)
     faraday-net_http_persistent (1.1.0)
-    ffi (1.15.0)
+    ffi (1.15.1)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
-    github-pages (214)
-      github-pages-health-check (= 1.17.0)
+    github-pages (215)
+      github-pages-health-check (= 1.17.2)
       jekyll (= 3.9.0)
       jekyll-avatar (= 0.7.0)
       jekyll-coffeescript (= 1.1.1)
@@ -82,7 +86,7 @@ GEM
       nokogiri (>= 1.10.4, < 2.0)
       rouge (= 3.26.0)
       terminal-table (~> 1.4)
-    github-pages-health-check (1.17.0)
+    github-pages-health-check (1.17.2)
       addressable (~> 2.3)
       dnsruby (~> 1.60)
       octokit (~> 4.0)
@@ -216,7 +220,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.4)
     multipart-post (2.1.1)
-    nokogiri (1.11.4)
+    nokogiri (1.11.5)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     octokit (4.21.0)