diff --git a/Gemfile.lock b/Gemfile.lock
index 776163d..1262136 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     backports (3.15.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.5)
     cucumber (3.1.2)
       builder (>= 2.1.2)
       cucumber-core (~> 3.2.0)
@@ -72,7 +72,7 @@ GEM
     httpclient (2.8.3)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mini_portile2 (2.4.0)
@@ -81,7 +81,7 @@ GEM
     multi_json (1.13.1)
     multi_test (0.1.2)
     multipart-post (2.1.1)
-    nokogiri (1.10.4)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     public_suffix (3.1.1)
     rack (2.0.7)