diff --git a/Gemfile.lock b/Gemfile.lock
index bb0722f..dac7128 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,7 +94,7 @@ GEM
     colorize (0.8.1)
     concurrent-ruby (1.0.5)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.5)
     database_cleaner (1.7.0)
     diff-lcs (1.3)
     dotenv (2.5.0)
@@ -168,7 +168,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -178,7 +178,7 @@ GEM
     method_source (0.9.0)
     mimemagic (0.3.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     mini_racer (0.1.15)
       libv8 (~> 6.3)
     minitest (5.11.3)
@@ -187,8 +187,8 @@ GEM
     mutations (0.8.3)
       activesupport
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     opal (0.11.3)
       ast (>= 2.3.0)
       hike (~> 1.2)