--- astrolabe.gemspec.orig	2021-10-25 11:52:08 UTC
+++ astrolabe.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   end
 
   if s.respond_to? :add_runtime_dependency then
-    s.add_runtime_dependency(%q<parser>.freeze, ["~> 2.2"])
+    s.add_runtime_dependency(%q<parser>.freeze, [">= 2.2"])
     s.add_development_dependency(%q<bundler>.freeze, ["~> 1.6"])
     s.add_development_dependency(%q<rake>.freeze, ["~> 10.3"])
     s.add_development_dependency(%q<yard>.freeze, ["~> 0.8"])