diff --git a/Gemfile.lock b/Gemfile.lock
index be05560d..273cef04 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
       regexp_parser (~> 1.5)
       xpath (~> 3.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.6)
     debug_inspector (0.0.3)
     derailed (0.1.0)
       derailed_benchmarks
@@ -89,7 +89,7 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
-    loofah (2.3.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -108,7 +108,7 @@ GEM
     puma (4.3.12)
       nio4r (~> 2.0)
     query_diet (0.6.2)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (1.6.12)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -129,8 +129,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails-jquery-autocomplete (1.0.5)
       rails (>= 3.2)
     rails_12factor (0.0.3)