Gemfile.lock in memolog-0.3.5 vs Gemfile.lock in memolog-0.4.0

@@ -1,9 +1,10 @@
 PATH
   remote: .
   specs:
-    memolog (0.3.5)
+    memolog (0.4.0)
+      json (~> 2)
       logger (~> 1.4.3)
       securerandom (~> 0.1.0)
 
 GEM
   remote: https://rubygems.org/
@@ -85,10 +86,11 @@
     globalid (1.0.0)
       activesupport (>= 5.0)
     i18n (1.9.1)
       concurrent-ruby (~> 1.0)
     io-wait (0.2.1)
+    json (2.6.1)
     logger (1.4.4)
     loofah (2.13.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -153,11 +155,11 @@
       rake (>= 12.2)
       thor (~> 1.0)
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.0.6)
-    redis (4.5.1)
+    redis (4.6.0)
     regexp_parser (2.2.0)
     rexml (3.2.5)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)
@@ -165,15 +167,15 @@
     rspec-core (3.10.2)
       rspec-support (~> 3.10.0)
     rspec-expectations (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.2)
+    rspec-mocks (3.10.3)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.3)
-    rubocop (1.25.0)
+    rubocop (1.25.1)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
@@ -202,10 +204,10 @@
       rubocop (~> 1.19)
     rubocop-sequel (0.3.3)
       rubocop (~> 1.0)
     ruby-progressbar (1.11.0)
     securerandom (0.1.1)
-    sidekiq (6.4.0)
+    sidekiq (6.4.1)
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
       redis (>= 4.2.0)
     strscan (3.0.1)
     thor (1.2.1)