diff --git a/example_app/Gemfile.lock b/example_app/Gemfile.lock
index cb2cbe4..dd426e0 100644
--- a/example_app/Gemfile.lock
+++ b/example_app/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     byebug (11.0.1)
     coderay (1.1.2)
     concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
+    connection_pool (2.2.5)
     crass (1.0.5)
     dry-initializer (3.0.1)
     erubi (1.9.0)
@@ -121,9 +121,7 @@ GEM
     puma (4.3.3)
       nio4r (~> 2.0)
     quantile (0.2.1)
-    rack (2.0.8)
-    rack-protection (2.0.7)
-      rack
+    rack (2.2.3)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)
@@ -158,7 +156,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    redis (4.1.3)
+    redis (4.5.1)
     ruby_dep (1.5.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
@@ -171,11 +169,10 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sidekiq (6.0.1)
+    sidekiq (6.4.0)
       connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
+      rack (~> 2.0)
+      redis (>= 4.2.0)
     spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)