diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0274411..bd31986 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 1.1.1
+* make install-zsh部分を修正
+
 # 1.1.0
 * TOTP対応
 * READMEファイルで使い方を詳しく説明する
diff --git a/Makefile b/Makefile
index 91cdcb1..3d22c6c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 NAME=sp
-VERSION=1.1.0
+VERSION=1.1.1
 # Linux、Haiku、かIllumos = /usr、FreeBSDかOpenBSD = /usr/local、NetBSD = /usr/pkg
 PREFIX=/usr
 CC=cc
@@ -27,7 +27,7 @@ install: all
 	chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME}
 
 install-zsh:
-	cp sp-completion.zsh /usr/share/zsh/site-functions/_sp
+	cp sp-completion.zsh ${DESTDIR}${PREFIX}/share/zsh/site-functions/_sp
 
 uninstall:
 	rm -f ${DESTDIR}${PREFIX}/bin/${NAME}
diff --git a/README.md b/README.md
index d7502a2..5d9bf3c 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@
 ```sh
 doas prt-get depinst gpgme gnupg pinentry
 doas make install
+doas make install-zsh
 ```
 
 又は
@@ -23,18 +24,21 @@ prt-get depinst sp
 ```sh
 doas pacman -S base-devel gpgme gnupg pinentry
 doas make install
+doas make install-zsh
 ```
 
 ### OpenBSD
 ```sh
 doas pkg_add gmake gpgme gnupg pinentry
 doas gmake install PREFIX=/usr/local
+doas gmake install-zsh PREFIX=/usr/local
 ```
 
 ### FreeBSD
 ```sh
 doas pkg install gmake gpgme gnupg pinentry
 doas gmake install PREFIX=/usr/local
+doas gmake install-zsh PREFIX=/usr/local
 ```
 
 ## 初期設定
diff --git a/main.c b/main.c
index ad3e1c4..89d5e7e 100644
--- a/main.c
+++ b/main.c
@@ -16,7 +16,7 @@
 void helpme();
 
 const char* sofname = "sp";
-const char* version = "1.1.0";
+const char* version = "1.1.1";
 
 void helpme() {
   printf("０７６ sp - シンプルなパスワードマネージャー\n");