diff --git a/Gemfile.lock b/Gemfile.lock
index 95adeb3..defd47c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,31 +26,37 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     ast (2.2.0)
-    builder (3.2.2)
+    builder (3.2.4)
+    concurrent-ruby (1.1.10)
+    crass (1.0.6)
     diff-lcs (1.2.5)
     erubis (2.7.0)
-    i18n (0.7.0)
-    json (1.8.3)
-    loofah (2.0.3)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    json (1.8.6)
+    loofah (2.19.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mini_portile2 (2.0.0)
-    minitest (5.8.4)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    mini_portile2 (2.8.0)
+    minitest (5.16.3)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parser (2.3.0.7)
       ast (~> 2.2)
     powerpack (0.1.1)
-    rack (1.6.4)
+    racc (1.6.0)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (4.2.5.2)
       actionpack (= 4.2.5.2)
       activesupport (= 4.2.5.2)
@@ -90,8 +96,8 @@ GEM
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.7.5)
     thor (0.19.1)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.0.2)