diff --git a/Gemfile.lock b/Gemfile.lock
index 5c0f1ab..93dae96 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     commander (4.1.6)
       highline (~> 1.6.11)
     concurrent-ruby (1.1.4)
-    crass (1.0.4)
+    crass (1.0.6)
     erubis (2.7.0)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
@@ -86,7 +86,7 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
       rb-kqueue (>= 0.2)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -95,11 +95,12 @@ GEM
     mathn (0.1.0)
     middleware (0.1.0)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multipart-post (2.0.0)
-    nokogiri (1.10.1)
-      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)
     parslet (1.5.0)
@@ -114,6 +115,7 @@ GEM
     pygments.rb (0.5.4)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
+    racc (1.6.1)
     rack (1.6.11)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -134,8 +136,8 @@ 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 (4.2.11)
       actionpack (= 4.2.11)
       activesupport (= 4.2.11)