diff --git a/Gemfile.lock b/Gemfile.lock
index 7a5aabe5a..3bf8c763e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -197,7 +197,7 @@ GEM
       sprockets (< 4.0)
     concurrent-ruby (1.1.5)
     connection_pool (2.2.1)
-    crass (1.0.4)
+    crass (1.0.6)
     cucumber (2.99.0)
       builder (>= 2.1.2)
       cucumber-core (~> 1.5.0)
@@ -384,7 +384,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -395,7 +395,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -504,8 +506,8 @@ GEM
       nokogiri (>= 1.6)
     rails-footnotes (4.1.8)
       rails (>= 3.2)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails-observers (0.1.5)
       activemodel (>= 4.0)
     rails_admin (1.3.0)