diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index ef5cd52..1c656af 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -34,7 +34,6 @@ GEM
     crack (1.0.1)
       bigdecimal
       rexml
-    docile (1.4.1)
     drb (2.2.3)
     erb (6.0.4)
     faraday (2.14.3)
@@ -122,12 +121,7 @@ GEM
       rubocop-ast (>= 1.44.0, < 2.0)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
-    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 (1.0.1)
     thor (1.5.0)
     tsort (0.2.0)
     tzinfo (2.0.6)
@@ -155,7 +149,7 @@ DEPENDENCIES
   rake (~> 13.0)
   rdoc (~> 8.0)
   rubocop-37signals
-  simplecov (~> 0.22)
+  simplecov (~> 1.0)
   webmock (~> 3.24)
   yard (~> 0.9)
 
@@ -170,7 +164,6 @@ CHECKSUMS
   concurrent-ruby (1.3.7) sha256=4412caec3a5ea2e5fdc52076724c071a81f2c0593d83b2ac8cbb8ca63b3151b0
   connection_pool (3.0.2) sha256=33fff5ba71a12d2aa26cb72b1db8bba2a1a01823559fb01d29eb74c286e62e0a
   crack (1.0.1) sha256=ff4a10390cd31d66440b7524eb1841874db86201d5b70032028553130b6d4c7e
-  docile (1.4.1) sha256=96159be799bfa73cdb721b840e9802126e4e03dfc26863db73647204c727f21e
   drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
   erb (6.0.4) sha256=38e3803694be357fe2bfe312487c74beaf9fb4e5beb3e22498952fe1645b95d9
   faraday (2.14.3) sha256=1882247e6766615c8220b4392bf1d27f6ebb63d8e28267587cef1fb0bf37f278
@@ -209,9 +202,7 @@ CHECKSUMS
   rubocop-rails (2.34.3) sha256=10d37989024865ecda8199f311f3faca990143fbac967de943f88aca11eb9ad2
   ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
   securerandom (0.4.1) sha256=cc5193d414a4341b6e225f0cb4446aceca8e50d5e1888743fac16987638ea0b1
-  simplecov (0.22.0) sha256=fe2622c7834ff23b98066bb0a854284b2729a569ac659f82621fc22ef36213a5
-  simplecov-html (0.13.2) sha256=bd0b8e54e7c2d7685927e8d6286466359b6f16b18cb0df47b508e8d73c777246
-  simplecov_json_formatter (0.1.4) sha256=529418fbe8de1713ac2b2d612aa3daa56d316975d307244399fa4838c601b428
+  simplecov (1.0.1) sha256=419d93c40484159d20b40e26e9a83cdd4c3afa2f3fd443bb8946c301cd658d75
   thor (1.5.0) sha256=e3a9e55fe857e44859ce104a84675ab6e8cd59c650a49106a05f55f136425e73
   tsort (0.2.0) sha256=9650a793f6859a43b6641671278f79cfead60ac714148aabe4e3f0060480089f
   tzinfo (2.0.6) sha256=8daf828cc77bcf7d63b0e3bdb6caa47e2272dcfaf4fbfe46f8c3a9df087a829b
diff --git a/ruby/fizzy-sdk.gemspec b/ruby/fizzy-sdk.gemspec
index c9f5aa8..991afa7 100644
--- a/ruby/fizzy-sdk.gemspec
+++ b/ruby/fizzy-sdk.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'minitest', '~> 6.0'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rubocop-37signals'
-  spec.add_development_dependency 'simplecov', '~> 0.22'
+  spec.add_development_dependency 'simplecov', '~> 1.0'
   spec.add_development_dependency 'webmock', '~> 3.24'
   spec.add_development_dependency 'irb', '~> 1.15'
   spec.add_development_dependency 'rdoc', '~> 8.0'