--- twitter-8.1.0.gemspec
+++ twitter-8.1.0.gemspec
@@ -23,14 +23,14 @@
 
   s.specification_version = 4
 
-  s.add_runtime_dependency(%q<addressable>.freeze, ["~> 2.8"])
-  s.add_runtime_dependency(%q<buftok>.freeze, ["~> 0.3.0"])
-  s.add_runtime_dependency(%q<equalizer>.freeze, ["~> 0.0.11"])
-  s.add_runtime_dependency(%q<http>.freeze, ["~> 5.2"])
-  s.add_runtime_dependency(%q<http-form_data>.freeze, ["~> 2.3"])
-  s.add_runtime_dependency(%q<llhttp-ffi>.freeze, ["~> 0.5.0"])
-  s.add_runtime_dependency(%q<memoizable>.freeze, ["~> 0.4.0"])
-  s.add_runtime_dependency(%q<multipart-post>.freeze, ["~> 2.4"])
-  s.add_runtime_dependency(%q<naught>.freeze, ["~> 1.1"])
-  s.add_runtime_dependency(%q<simple_oauth>.freeze, ["~> 0.3.0"])
+  s.add_runtime_dependency(%q<addressable>.freeze, [">= 2.8"])
+  s.add_runtime_dependency(%q<buftok>.freeze, [">= 0.3.0"])
+  s.add_runtime_dependency(%q<equalizer>.freeze, [">= 0.0.11"])
+  s.add_runtime_dependency(%q<http>.freeze, [">= 5.2"])
+  s.add_runtime_dependency(%q<http-form_data>.freeze, [">= 2.3"])
+  s.add_runtime_dependency(%q<llhttp-ffi>.freeze, [">= 0.5.0"])
+  s.add_runtime_dependency(%q<memoizable>.freeze, [">= 0.4.0"])
+  s.add_runtime_dependency(%q<multipart-post>.freeze, [">= 2.4"])
+  s.add_runtime_dependency(%q<naught>.freeze, [">= 1.1"])
+  s.add_runtime_dependency(%q<simple_oauth>.freeze, [">= 0.3.0"])
 end