diff --git a/zsh-peco-history.zsh b/zsh-peco-history.zsh
index a4747df..19b4c01 100644
--- a/zsh-peco-history.zsh
+++ b/zsh-peco-history.zsh
@@ -1,4 +1,4 @@
-# zsh-peco-history
+# zsh-peco-history 0.8.0
 #
 # Search shell history with peco when pressing ctrl+r.
 # https://github.com/jimeh/zsh-peco-history