omniauth-oauth2.gemspec in omniauth-oauth2-1.7.2 vs omniauth-oauth2.gemspec in omniauth-oauth2-1.7.3

- old
+ new

@@ -1,10 +1,10 @@
 lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "omniauth-oauth2/version"
 
 Gem::Specification.new do |gem|
-  gem.add_dependency "oauth2",     "~> 1.4"
+  gem.add_dependency "oauth2",     [">= 1.4", "< 3"]
   gem.add_dependency "omniauth",   [">= 1.9", "< 3"]
 
   gem.add_development_dependency "bundler", "~> 2.0"
 
   gem.authors       = ["Michael Bleigh", "Erik Michaels-Ober", "Tom Milewski"]