--- prawn.gemspec.orig	2018-04-28 17:42:14 UTC
+++ prawn.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |s|
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
       s.add_runtime_dependency(%q<ttfunk>.freeze, ["~> 1.5"])
-      s.add_runtime_dependency(%q<pdf-core>.freeze, ["~> 0.7.0"])
+      s.add_runtime_dependency(%q<pdf-core>.freeze, ["~> 0.7"])
       s.add_development_dependency(%q<pdf-inspector>.freeze, [">= 1.2.1", "< 2.0.a"])
       s.add_development_dependency(%q<yard>.freeze, [">= 0"])
       s.add_development_dependency(%q<rspec>.freeze, ["~> 3.0"])