diff --git a/Gemfile.lock b/Gemfile.lock
index b0e4f0dd..a9b53ca7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
       term-ansicolor (~> 1.3)
       thor (~> 0.19.4)
       tins (~> 1.6)
-    crass (1.0.4)
+    crass (1.0.6)
     debug_inspector (0.0.3)
     devise (4.6.1)
       bcrypt (~> 3.0)
@@ -167,7 +167,7 @@ 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 (1.0.13)
@@ -180,7 +180,9 @@ GEM
       rack-contrib (>= 1.1, < 3)
       railties (>= 3.0.0, < 6)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mina (1.2.3)
       open4 (~> 1.3.4)
       rake
@@ -189,7 +191,7 @@ GEM
     mina-multistage (1.0.3)
       mina (~> 1.0)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     mini_racer (0.2.4)
       libv8 (>= 6.3)
     minitest (5.11.3)
@@ -197,8 +199,9 @@ GEM
     nenv (0.3.0)
     net-ssh (5.1.0)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -235,6 +238,7 @@ GEM
     puma (3.12.0)
     pundit (2.0.1)
       activesupport (>= 3.0.0)
+    racc (1.6.1)
     rack (2.0.6)
     rack-contrib (2.1.0)
       rack (~> 2.0)
@@ -266,8 +270,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    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 (5.2.2)
       actionpack (= 5.2.2)
       activesupport (= 5.2.2)