diff --git a/Gemfile.lock b/Gemfile.lock
index b30cb0a..2c45e40 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -380,7 +380,7 @@ GEM
     loggability (0.14.0)
     lolsoap (0.9.0)
       nokogiri (~> 1.5)
-    loofah (2.9.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.5)
@@ -395,7 +395,7 @@ GEM
       rake
     mini_magick (4.9.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.5.3)
     mini_racer (0.2.4)
       libv8 (>= 6.3)
     minitest (5.14.4)
@@ -490,7 +490,7 @@ GEM
     puma (3.12.6)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
-    racc (1.5.2)
+    racc (1.6.1)
     rack (1.6.13)
     rack-openid (1.4.2)
       rack (>= 1.1.0)
@@ -534,8 +534,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails-i18n (4.0.9)
       i18n (~> 0.7)
       railties (~> 4.0)