diff --git a/Gemfile b/Gemfile
index 0346cef..c488f7c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 
 gem "jekyll", "4.4.1"
-gem "github-pages-health-check", "1.18.5"
+gem "github-pages-health-check", "1.19.1"
 gem "jekyll-avatar", "0.8.0"
 gem "jekyll-coffeescript", "1.1.1"
 gem "jekyll-default-layout", "0.1.5"
diff --git a/Gemfile.lock b/Gemfile.lock
index 8919ce7..e74ebc2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
-    base64 (0.2.0)
+    base64 (0.3.0)
     bigdecimal (3.1.9)
     coffee-script (2.4.1)
       coffee-script-source
@@ -12,27 +12,29 @@ GEM
     colorator (1.1.0)
     concurrent-ruby (1.3.5)
     csv (3.3.4)
-    dnsruby (1.72.4)
-      base64 (~> 0.2.0)
-      logger (~> 1.6.5)
+    dnsruby (1.73.1)
+      base64 (>= 0.2)
+      logger (~> 1.6)
       simpleidn (~> 0.2.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    ethon (0.16.0)
+    ethon (0.18.0)
       ffi (>= 1.15.0)
+      logger
     eventmachine (1.2.7)
     execjs (2.10.0)
-    faraday (2.13.1)
+    faraday (2.14.0)
       faraday-net_http (>= 2.0, < 3.5)
       json
       logger
-    faraday-net_http (3.4.0)
-      net-http (>= 0.5.0)
+    faraday-net_http (3.4.2)
+      net-http (~> 0.5)
     ffi (1.17.2)
+    ffi (1.17.2-x86_64-linux-gnu)
     forwardable-extended (2.6.0)
-    github-pages-health-check (1.18.5)
-      addressable (~> 2.3)
+    github-pages-health-check (1.19.1)
+      addressable (~> 2.8.7)
       dnsruby (~> 1.60)
       octokit (>= 4, < 10)
       public_suffix (>= 3.0, < 7.0)
@@ -144,7 +146,7 @@ GEM
       nokogiri (~> 1.12)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.11.3)
+    json (2.16.0)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)
@@ -153,14 +155,14 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.6)
+    logger (1.7.0)
     mercenary (0.4.0)
     mini_portile2 (2.8.8)
     minima (2.5.2)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    net-http (0.6.0)
+    net-http (0.7.0)
       uri
     nokogiri (1.18.8)
       mini_portile2 (~> 2.8.2)
@@ -170,7 +172,7 @@ GEM
       sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (6.0.1)
+    public_suffix (6.0.2)
     racc (1.8.1)
     rake (13.2.1)
     rb-fsevent (0.11.2)
@@ -187,7 +189,7 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.9.2)
+    sawyer (0.9.3)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
     simpleidn (0.2.3)
@@ -196,7 +198,7 @@ GEM
     typhoeus (1.4.1)
       ethon (>= 0.9.0)
     unicode-display_width (2.6.0)
-    uri (1.0.3)
+    uri (1.1.1)
     webrick (1.9.1)
     word_wrap (1.0.0)
 
@@ -204,7 +206,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  github-pages-health-check (= 1.18.5)
+  github-pages-health-check (= 1.19.1)
   jekyll (= 4.4.1)
   jekyll-avatar (= 0.8.0)
   jekyll-coffeescript (= 1.1.1)