stackprof.gemspec in stackprof-0.2.13 vs stackprof.gemspec in stackprof-0.2.14

@@ -1,8 +1,8 @@
 Gem::Specification.new do |s|
   s.name = 'stackprof'
-  s.version = '0.2.13'
+  s.version = '0.2.14'
   s.homepage = 'http://github.com/tmm1/stackprof'
 
   s.authors = 'Aman Gupta'
   s.email   = '[e-mail]'
 
@@ -12,11 +12,13 @@
   s.bindir = 'bin'
   s.executables << 'stackprof'
   s.executables << 'stackprof-flamegraph.pl'
   s.executables << 'stackprof-gprof2dot.py'
 
-  s.summary = 'sampling callstack-profiler for ruby 2.1+'
+  s.summary = 'sampling callstack-profiler for ruby 2.2+'
   s.description = 'stackprof is a fast sampling profiler for ruby code, with cpu, wallclock and object allocation samplers.'
+
+  s.required_ruby_version = '>= 2.2'
 
   s.license = 'MIT'
 
   s.add_development_dependency 'rake-compiler', '~> 0.9'
   s.add_development_dependency 'mocha', '~> 0.14'