diff --git a/src/app.haml b/src/app.haml
index 48c1ce920..8deb31caf 100644
--- a/src/app.haml
+++ b/src/app.haml
@@ -1,5 +1,5 @@
 :ruby
-  app_version = "0.0"
+  app_version = "0.1"
 
 !!! 5
 %html(data-app-version="#{app_version}")
diff --git a/src/manifest.json b/src/manifest.json
index f5ee73769..f848293b7 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -1,6 +1,6 @@
 {
   "name" : "read.crx 2 (alpha version)",
-  "version" : "0.0",
+  "version" : "0.1",
   "description" : "2chブラウザ",
   "minimum_chrome_version" : "12",
   "incognito" : "split",
diff --git a/src/write/write.haml b/src/write/write.haml
index e3bfa7537..8d97617f0 100644
--- a/src/write/write.haml
+++ b/src/write/write.haml
@@ -1,5 +1,5 @@
 :ruby
-  app_version = "0.0"
+  app_version = "0.1"
 
 !!! 5
 %html(data-app-version="#{app_version}")