diff --git a/Gemfile.lock b/Gemfile.lock
index f745e33..7a70e96 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
     commonmarker (0.17.13)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.1.4)
-    crass (1.0.5)
+    crass (1.0.6)
     dnsruby (1.61.2)
       addressable (~> 2.5)
     em-websocket (0.5.1)
@@ -219,25 +219,27 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.3.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mercenary (0.3.6)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minima (2.5.0)
       jekyll (~> 3.5)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.0.0)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.13.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     popper_js (1.14.5)
     public_suffix (3.0.3)
+    racc (1.6.1)
     rack (1.6.12)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -247,8 +249,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (4.2.10)
       actionpack (= 4.2.10)
       activesupport (= 4.2.10)