diff --git a/Gemfile.lock b/Gemfile.lock
index f091469..f01a433 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,6 +127,7 @@ GEM
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     hash_dot (2.4.2)
+    htmlentities (4.3.4)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     image_processing (1.10.3)
@@ -163,7 +164,7 @@ GEM
     public_suffix (4.0.3)
     puma (4.3.1)
       nio4r (~> 2.0)
-    rack (2.2.2)
+    rack (2.2.3.1)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)