diff --git a/Gemfile.lock b/Gemfile.lock
index b7a2965..71ff847 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
     coderay (1.1.2)
     concurrent-ruby (1.1.4)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.5)
     devise (4.5.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -99,7 +99,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.13)
@@ -114,7 +114,7 @@ GEM
     net-http-persistent (3.0.0)
       connection_pool (~> 2.2)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     notiffany (0.1.1)
       nenv (~> 0.1)