diff --git a/digest-keccak.gemspec b/digest-keccak.gemspec
index 7f036a3..df0d825 100644
--- a/digest-keccak.gemspec
+++ b/digest-keccak.gemspec
@@ -7,7 +7,7 @@ require 'digest/keccak/version'
 
 Gem::Specification.new do |spec|
   spec.name     = 'digest-keccak'
-  spec.version  = Digest::Keccak::Version::STRING
+  spec.version  = Digest::Keccak::VERSION
   spec.license  = 'MIT'
   spec.homepage = 'https://github.com/kotovalexarian/digest-keccak.rb'
   spec.summary  = 'The Keccak cryptographic hash function.'
diff --git a/lib/digest/keccak/version.rb b/lib/digest/keccak/version.rb
index 6692269..7b0b3e4 100644
--- a/lib/digest/keccak/version.rb
+++ b/lib/digest/keccak/version.rb
@@ -2,8 +2,6 @@
 
 module Digest
   class Keccak
-    module Version
-      STRING = "1.1.0"
-    end
+    VERSION = '0.0.1'
   end
 end