elasticsearch-transport.gemspec in elasticsearch-transport-7.5.0.pre.pre vs elasticsearch-transport.gemspec in elasticsearch-transport-7.5.0

@@ -66,10 +66,10 @@
     s.add_development_dependency "minitest"
     s.add_development_dependency "minitest-reporters"
     s.add_development_dependency "elasticsearch-extensions"
     s.add_development_dependency "ruby-prof"    unless defined?(JRUBY_VERSION) || defined?(Rubinius)
     s.add_development_dependency "require-prof" unless defined?(JRUBY_VERSION) || defined?(Rubinius)
-    s.add_development_dependency "simplecov"
+    s.add_development_dependency "simplecov", '~> 0.17', '< 0.18'
     s.add_development_dependency "simplecov-rcov"
     s.add_development_dependency "cane"
   end
 
   if defined?(RUBY_VERSION) && RUBY_VERSION > '2.2'