diff --git a/projects/bench_bnb_redux/solution/Gemfile.lock b/projects/bench_bnb_redux/solution/Gemfile.lock
index 2e04aec9..19f9b2b4 100644
--- a/projects/bench_bnb_redux/solution/Gemfile.lock
+++ b/projects/bench_bnb_redux/solution/Gemfile.lock
@@ -68,15 +68,15 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.4)
     debug_inspector (0.0.3)
     erubi (1.7.1)
     execjs (2.7.0)
     ffi (1.9.23)
-    globalid (0.4.1)
-      activesupport (>= 4.2.0)
-    i18n (1.0.1)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
@@ -97,7 +97,7 @@ GEM
     method_source (0.9.0)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    minitest (5.17.0)
     multi_json (1.13.1)
     nio4r (2.3.0)
     nokogiri (1.8.2)
@@ -171,7 +171,7 @@ GEM
     thor (0.20.0)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.10)
       execjs (>= 0.3.0, < 3)