diff --git a/Gemfile.lock b/Gemfile.lock
index a13b856..c1105f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
     chronic (0.10.2)
     concurrent-ruby (1.1.4)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.5)
     devise (4.6.2)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -132,7 +132,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -154,7 +154,7 @@ GEM
     net-ssh (5.0.2)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.9.1)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (1.1.3)