diff --git a/.gitignore b/.gitignore
index 27a116028..a3e72e4ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@
 /build
 /id
 /pid
+/wix/mackerel-agent.wxs
+/wix/mackerel-agent.wixobj
diff --git a/wix/build.bat b/wix/build.bat
index ccc284f57..43aa82aff 100755
--- a/wix/build.bat
+++ b/wix/build.bat
@@ -10,6 +10,14 @@ go get github.com/mackerelio/mackerel-agent/wix/replace
 go build -o ..\build\wrapper.exe wrapper\wrapper_windows.go
 go build -o ..\build\replace.exe replace\replace_windows.go
 
+
+
+FOR /F "usebackq" %%w IN (`git describe --tags --abbrev^=0`) DO SET VERSION=%%w
+set VERSION=%VERSION:v=%
+FOR /F "tokens=1 delims=-+" %%w IN ('ECHO %%VERSION%%') DO SET VERSION=%%w
+
+..\build\replace.exe mackerel-agent.wxs.template mackerel-agent.wxs "___VERSION___" "%VERSION%"
+
 "%WIX%bin\candle.exe" mackerel-agent.wxs
 "%WIX%bin\light.exe" -out "..\build\mackerel-agent.msi" mackerel-agent.wixobj
 
diff --git a/wix/mackerel-agent.wxs b/wix/mackerel-agent.wxs.template
similarity index 96%
rename from wix/mackerel-agent.wxs
rename to wix/mackerel-agent.wxs.template
index b0e230050..260e539b7 100644
--- a/wix/mackerel-agent.wxs
+++ b/wix/mackerel-agent.wxs.template
@@ -2,7 +2,7 @@
 <Wix xmlns='http://schemas.microsoft.com/wix/2006/wi'>
 
   <Product Name='mackerel-agent' Id='*' UpgradeCode='1EF11651-A09E-47A3-BFE3-5877E22F7D26'
-    Language='1033' Codepage='1252' Version='1.0.0' Manufacturer='Hatena'>
+    Language='1033' Codepage='1252' Version='___VERSION___' Manufacturer='Hatena'>
 
     <Package Id='*' Keywords='Installer' Description="Mackerel Agent Installer"
       Comments='Mackerel Agent sends metrics to https://mackerel.io' Manufacturer='Hatena'