diff --git a/Gemfile b/Gemfile
index b17adab..b216fa1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,5 +12,5 @@ group :development, :test do
   gem 'rubocop-performance', '~> 1.26', require: false
   gem 'rubocop-rake', '~> 0.7.1', require: false
   gem 'rubocop-rspec', '~> 3.10', require: false
-  gem 'simplecov', '~> 0.22.0', require: false
+  gem 'simplecov', '~> 1.0.0', require: false
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index d948ba0..6aa5c93 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,6 @@ GEM
     bigdecimal (4.1.2)
     csv (3.3.5)
     diff-lcs (1.6.2)
-    docile (1.4.1)
     httparty (0.24.2)
       csv
       mini_mime (>= 1.0.0)
@@ -79,12 +78,7 @@ GEM
     ruby_api_pack_core (0.1.0)
       httparty (~> 0.24.2)
       oj (~> 3.17)
-    simplecov (0.22.0)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.13.2)
-    simplecov_json_formatter (0.1.4)
+    simplecov (1.0.0)
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
     unicode-emoji (4.2.0)
@@ -103,7 +97,7 @@ DEPENDENCIES
   rubocop-rake (~> 0.7.1)
   rubocop-rspec (~> 3.10)
   ruby_api_pack_active_campaign!
-  simplecov (~> 0.22.0)
+  simplecov (~> 1.0.0)
 
 BUNDLED WITH
    2.5.22