diff --git a/Gemfile.lock b/Gemfile.lock
index 9d736ce1..d12fcc9a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     cookieconsent (0.1.0)
-    crass (1.0.4)
+    crass (1.0.6)
     dotenv (2.5.0)
     dotenv-rails (2.5.0)
       dotenv (= 2.5.0)
@@ -111,7 +111,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.9.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -123,7 +123,7 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.5.1)
     minitest (5.11.3)
     msgpack (1.2.4)
     multi_json (1.13.1)
@@ -131,11 +131,13 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pg (1.1.3)
     public_suffix (3.0.3)
     puma (3.12.0)
+    racc (1.5.2)
     rack (2.0.5)
     rack-proxy (0.6.5)
       rack