diff --git a/lib/shellter.rb b/lib/shellter.rb
index <HASH>..<HASH> 100644
--- a/lib/shellter.rb
+++ b/lib/shellter.rb
@@ -1,5 +1,4 @@
 require 'escape'
-require 'popen4'
 
 require 'shellter/core_ext'
 
diff --git a/lib/shellter/version.rb b/lib/shellter/version.rb
index <HASH>..<HASH> 100644
--- a/lib/shellter/version.rb
+++ b/lib/shellter/version.rb
@@ -1,3 +1,3 @@
 module Shellter
-  VERSION = "0.9.2"
+  VERSION = "0.9.3"
 end
got rid of explicit popen4 requirement