diff --git a/range_math.gemspec b/range_math.gemspec
index e4c3695..2b5ffd7 100644
--- a/range_math.gemspec
+++ b/range_math.gemspec
@@ -1,12 +1,12 @@
 Gem::Specification.new do |s|
   s.name = "range_math"
-  s.version = "0.8.0"
+  s.version = "1.0.0"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["muflax"]
   s.description = "use ranges in math expression"
   s.email = "mail@muflax.com"
-  s.license = "GPL-3"
+  s.license = "AGPL-1.0+"
   s.extra_rdoc_files = [
     "README"
   ]