diff --git a/ChangeLog b/ChangeLog
index 651efc5..7768913 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,11 +1,14 @@
-Release 1.0.0 - 2012/09/23
+Release 1.0.1 - 2015/01/15
+- just exec without spawn
+
+Release 1.0.0 - 2013/09/23
 - jemalloc v3.4.0
 - use longer timeout for SIGTERM
 
-Release 0.1.9 - 2012/03/09
+Release 0.1.9 - 2013/03/09
 - jemalloc v3.3.1
 
-Release 0.1.8 - 2012/01/29
+Release 0.1.8 - 2013/01/29
 - jemalloc v3.3.0
 
 Release 0.1.7 - 2012/11/22
diff --git a/Gemfile b/Gemfile
index 408769f..851fabc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,2 @@
 source 'https://rubygems.org'
 gemspec
-
-group :compilation do
-  gem 'rake-compiler', '~> 0.7.1'
-end
diff --git a/Gemfile.lock b/Gemfile.lock
index 87dc33b..b2daf8a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    jemalloc (1.0.0)
+    jemalloc (1.0.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/jemalloc/version.rb b/lib/jemalloc/version.rb
index 8194224..0a33c05 100644
--- a/lib/jemalloc/version.rb
+++ b/lib/jemalloc/version.rb
@@ -1,3 +1,3 @@
 module JEMalloc
-  VERSION = "1.0.0"
+  VERSION = "1.0.1"
 end