--- rb-inotify-0.10.1.gemspec
+++ rb-inotify-0.10.1.gemspec
@@ -20,8 +20,8 @@
 
   s.specification_version = 4
 
-  s.add_runtime_dependency(%q<ffi>.freeze, ["~> 1.0"])
-  s.add_development_dependency(%q<rspec>.freeze, ["~> 3.6"])
+  s.add_runtime_dependency(%q<ffi>.freeze, [">= 1.0"])
+  s.add_development_dependency(%q<rspec>.freeze, [">= 3.6"])
   s.add_development_dependency(%q<bundler>.freeze, [">= 0"])
   s.add_development_dependency(%q<rake>.freeze, [">= 0"])
   s.add_development_dependency(%q<concurrent-ruby>.freeze, [">= 0"])