diff --git a/Gemfile.lock b/Gemfile.lock
index cbcafac..2f3687a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
     i18n (0.9.3)
       concurrent-ruby (~> 1.0)
     json (2.1.0)
-    loofah (2.1.1)
+    loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
diff --git a/spec/dummy/Gemfile.lock b/spec/dummy/Gemfile.lock
index 0e9a988..bb8feb1 100644
--- a/spec/dummy/Gemfile.lock
+++ b/spec/dummy/Gemfile.lock
@@ -48,12 +48,14 @@ GEM
     arel (8.0.0)
     builder (3.2.3)
     concurrent-ruby (1.0.5)
+    crass (1.0.3)
     erubi (1.6.1)
     globalid (0.4.0)
       activesupport (>= 4.2.0)
     i18n (0.8.4)
     json (2.1.0)
-    loofah (2.0.3)
+    loofah (2.2.2)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)