--- errand.gemspec.orig	2021-10-27 13:31:07 UTC
+++ errand.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   end
 
   if s.respond_to? :add_runtime_dependency 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"])