--- errand.gemspec.orig	2017-07-29 22:04:06 UTC
+++ errand.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
     s.specification_version = 3
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_runtime_dependency(%q<rrd-ffi>.freeze, ["= 0.2.13"])
+      s.add_runtime_dependency(%q<rrd-ffi>.freeze, [">= 0.2.13"])
       s.add_development_dependency(%q<rake>.freeze, [">= 0"])
       s.add_development_dependency(%q<rspec>.freeze, [">= 0"])
       s.add_development_dependency(%q<colorize>.freeze, [">= 0"])