diff --git a/lib/redic/pool.rb b/lib/redic/pool.rb
index 4acf428..743c2c2 100644
--- a/lib/redic/pool.rb
+++ b/lib/redic/pool.rb
@@ -2,8 +2,6 @@
 require "redic"
 
 class Redic::Pool
-  VERSION = "1.0.1"
-
   attr :url
   attr :pool
 
diff --git a/lib/redic/pool/version.rb b/lib/redic/pool/version.rb
new file mode 100644
index 0000000..6e50a72
--- /dev/null
+++ b/lib/redic/pool/version.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: false
+class Redic
+  class Pool
+    VERSION = "1.0.1".freeze
+  end
+end
diff --git a/redic-pool.gemspec b/redic-pool.gemspec
index 4f700d8..0414bb0 100644
--- a/redic-pool.gemspec
+++ b/redic-pool.gemspec
@@ -1,4 +1,7 @@
-require "./lib/redic/pool"
+# coding: utf-8
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require "redic/pool/version"
 
 Gem::Specification.new do |s|
   s.name = "redic-pool"