Loosen concurrent-ruby dependency.

mostlyobvious · mostlyobvious · commit 5d2df05d92f0 · 2020-03-18T23:05:33.000+01:00
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     nanoc-github (1.0.0)
-      concurrent-ruby (~> 1.1.6)
+      concurrent-ruby (>= 1.1.6, < 2.0)
       nanoc (~> 4.0)
       octokit (~> 4.0)
 
diff --git a/nanoc-github.gemspec b/nanoc-github.gemspec
@@ -26,5 +26,5 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "nanoc",           "~> 4.0"
   spec.add_dependency "octokit",         "~> 4.0"
-  spec.add_dependency "concurrent-ruby", "~> 1.1.6"
+  spec.add_dependency "concurrent-ruby", ">= 1.1.6", "< 2.0"
 end
