diff --git a/spec/dummy-app/Gemfile.lock b/spec/dummy-app/Gemfile.lock
index 69f1169..0a38488 100644
--- a/spec/dummy-app/Gemfile.lock
+++ b/spec/dummy-app/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     builder (3.2.3)
     byebug (11.0.1)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.5)
     erubi (1.8.0)
     ffi (1.10.0)
     globalid (0.4.2)
@@ -63,7 +63,7 @@ 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)
@@ -78,7 +78,7 @@ GEM
     msgpack (1.2.9)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     puma (3.12.1)
     rack (2.0.7)