diff --git a/Gemfile.lock b/Gemfile.lock
index 48900dd7..40a58ac2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -82,8 +82,8 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    connection_pool (2.2.1)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     crass (1.0.4)
     daemons (1.2.5)
     database_cleaner (1.6.2)
@@ -213,13 +213,13 @@ GEM
     puma (3.11.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    rack (2.0.5)
+    rack (2.2.3)
     rack-attack (5.0.1)
       rack
     rack-openid (1.3.1)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)
-    rack-protection (2.0.0)
+    rack-protection (2.1.0)
       rack
     rack-test (0.8.0)
       rack (>= 1.0, < 3)
@@ -331,11 +331,10 @@ GEM
     shellany (0.0.1)
     shoulda-matchers (3.1.2)
       activesupport (>= 4.0.0)
-    sidekiq (5.0.5)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
+    sidekiq (5.2.0)
+      connection_pool (~> 2.2, >= 2.2.2)
       rack-protection (>= 1.5.0)
-      redis (>= 3.3.4, < 5)
+      redis (>= 3.3.5, < 5)
     simple_form (3.5.0)
       actionpack (> 4, < 5.2)
       activemodel (> 4, < 5.2)