diff --git a/CHANGELOG.md b/CHANGELOG.md
index f621363..120fdec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+## Version 1.0.0 2016-06-29
+
 - Fix `\pcondIncludeOnce`.
 - Implement flatten command (#26).
 
diff --git a/bin/install_release.sh b/bin/install_release.sh
index 05e92c9..d19fac1 100755
--- a/bin/install_release.sh
+++ b/bin/install_release.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-LYP_VERSION="0.3.9"
+LYP_VERSION="1.0.0"
 WORKDIR="/tmp/lyp-release-installer"
 URL_BASE="https://github.com/noteflakes/lyp/releases/download/v$LYP_VERSION"
 
diff --git a/lib/lyp/version.rb b/lib/lyp/version.rb
index 8ce37b2..5dea43d 100644
--- a/lib/lyp/version.rb
+++ b/lib/lyp/version.rb
@@ -1,3 +1,3 @@
 module Lyp
-  VERSION = "0.3.9"
+  VERSION = "1.0.0"
 end