diff --git a/projects/bench_bnb_redux/solution/Gemfile.lock b/projects/bench_bnb_redux/solution/Gemfile.lock
index 2e04aec9..f32bc48a 100644
--- a/projects/bench_bnb_redux/solution/Gemfile.lock
+++ b/projects/bench_bnb_redux/solution/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     bindex (0.5.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
-    builder (3.2.3)
+    builder (3.2.4)
     byebug (10.0.2)
     capybara (2.18.0)
       addressable
@@ -68,20 +68,20 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    concurrent-ruby (1.2.2)
+    crass (1.0.6)
     debug_inspector (0.0.3)
-    erubi (1.7.1)
+    erubi (1.12.0)
     execjs (2.7.0)
     ffi (1.9.23)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
-    i18n (1.0.1)
+    i18n (1.13.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
-    jquery-rails (4.3.3)
+    jquery-rails (4.4.0)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
@@ -89,19 +89,20 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.20.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
-    method_source (0.9.0)
+    method_source (0.9.2)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    mini_portile2 (2.8.2)
+    minitest (5.18.0)
     multi_json (1.13.1)
     nio4r (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.14.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.21.0)
     pry (0.11.3)
       coderay (~> 1.1.0)
@@ -110,9 +111,10 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.2)
     puma (3.11.4)
-    rack (2.0.4)
-    rack-test (1.0.0)
-      rack (>= 1.0, < 3)
+    racc (1.6.2)
+    rack (2.2.7)
+    rack-test (2.1.0)
+      rack (>= 1.3)
     rails (5.1.6)
       actioncable (= 5.1.6)
       actionmailer (= 5.1.6)
@@ -128,15 +130,15 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.5.0)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.6)
       actionpack (= 5.1.6)
       activesupport (= 5.1.6)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+    rake (13.0.6)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -168,10 +170,10 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    thor (0.20.0)
+    thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.5)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     uglifier (4.1.10)
       execjs (>= 0.3.0, < 3)