diff --git a/publify_textfilter_code.gemspec b/publify_textfilter_code.gemspec
index 38b6fbe..b291daa 100644
--- a/publify_textfilter_code.gemspec
+++ b/publify_textfilter_code.gemspec
@@ -31,7 +31,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rubocop-rails", "~> 2.35.0"
   s.add_development_dependency "rubocop-rspec", "~> 3.10.2"
   s.add_development_dependency "rubocop-rspec_rails", "~> 2.32.0"
-  s.add_development_dependency "simplecov", "~> 0.22.0"
+  s.add_development_dependency "simplecov", "~> 1.0.2"
   s.add_development_dependency "sqlite3", "~> 2.9"
   s.metadata["rubygems_mfa_required"] = "true"
 end