--- twterm-2.10.2.gemspec
+++ twterm-2.10.2.gemspec
@@ -15,7 +15,7 @@
   s.files = ["bin/twterm".freeze]
   s.homepage = "http://twterm.ryota-ka.me/".freeze
   s.licenses = ["MIT".freeze]
-  s.required_ruby_version = Gem::Requirement.new("~> 2.5".freeze)
+  s.required_ruby_version = Gem::Requirement.new(">= 2.5".freeze)
   s.rubygems_version = "3.4.19".freeze
   s.summary = "A full-featured TUI Twitter client".freeze
 
@@ -23,12 +23,12 @@
 
   s.specification_version = 4
 
-  s.add_runtime_dependency(%q<curses>.freeze, ["~> 1.4.0"])
-  s.add_runtime_dependency(%q<concurrent-ruby>.freeze, ["~> 1.1.7"])
-  s.add_runtime_dependency(%q<launchy>.freeze, ["~> 2.5.0"])
-  s.add_runtime_dependency(%q<oauth>.freeze, ["~> 0.5.1"])
-  s.add_runtime_dependency(%q<terminal-notifier>.freeze, ["~> 2.0.0"])
-  s.add_runtime_dependency(%q<toml-rb>.freeze, ["~> 2.0.1"])
-  s.add_runtime_dependency(%q<twitter>.freeze, ["~> 7.0.0"])
-  s.add_runtime_dependency(%q<twitter-text>.freeze, ["~> 3.1.0"])
+  s.add_runtime_dependency(%q<curses>.freeze, [">= 1.4.0"])
+  s.add_runtime_dependency(%q<concurrent-ruby>.freeze, [">= 1.1.7"])
+  s.add_runtime_dependency(%q<launchy>.freeze, [">= 2.5.0"])
+  s.add_runtime_dependency(%q<oauth>.freeze, [">= 0.5.1"])
+  s.add_runtime_dependency(%q<terminal-notifier>.freeze, [">= 2.0.0"])
+  s.add_runtime_dependency(%q<toml-rb>.freeze, [">= 2.0.1"])
+  s.add_runtime_dependency(%q<twitter>.freeze, [">= 7.0.0"])
+  s.add_runtime_dependency(%q<twitter-text>.freeze, [">= 3.1.0"])
 end