diff --git a/Gemfile b/Gemfile
index 26f2ad0254..dd3a129155 100644
--- a/Gemfile
+++ b/Gemfile
@@ -92,7 +92,7 @@ group :test do
   gem 'minitest-stub_any_instance'
   gem 'selenium-webdriver', '~> 4.26'
   # gem 'webdrivers'
-  gem 'simplecov', '0.17.1', require: false # CC last supported v0.17
+  gem 'simplecov', '0.22.0', require: false # CC last supported v0.17
   gem 'spy'
   gem 'webmock'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 609a0bf4b8..fe470bf30e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -223,7 +223,7 @@ GEM
       warden (~> 1.2.3)
     dnsruby (1.61.5)
       simpleidn (~> 0.1)
-    docile (1.3.5)
+    docile (1.4.1)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     erubi (1.12.0)
@@ -280,7 +280,6 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
-    json (2.5.1)
     json-jwt (1.16.1)
       activesupport (>= 4.2)
       aes_key_wrap
@@ -481,11 +480,12 @@ GEM
       connection_pool (>= 2.3.0)
       rack (>= 2.2.4)
       redis-client (>= 0.14.0)
-    simplecov (0.17.1)
+    simplecov (0.22.0)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.13.1)
+    simplecov_json_formatter (0.1.4)
     simpleidn (0.2.3)
     sixarm_ruby_unaccent (1.2.0)
     sprockets (4.0.3)
@@ -613,7 +613,7 @@ DEPENDENCIES
   selectize-rails (= 0.12.6)
   selenium-webdriver (~> 4.26)
   sidekiq (~> 7.0)
-  simplecov (= 0.17.1)
+  simplecov (= 0.22.0)
   simpleidn (= 0.2.3)
   spy
   strong_migrations