diff --git a/_docs/index.tmpl.html b/_docs/index.tmpl.html
index c01570ca5..ccf51379d 100644
--- a/_docs/index.tmpl.html
+++ b/_docs/index.tmpl.html
@@ -75,7 +75,7 @@ pre {
 <p>NOTE: <code>file://</code> URL may not work with Ebiten. Execute your game on a HTTP server.</p>
 
 <h2>Change Log</h2>
-<h3>2015-??-??</h3>
+<h3>2015-01-10</h3>
 <ul>
   <li>v1.1.0-rc1 released.
     <ul>
diff --git a/_docs/public/index.html b/_docs/public/index.html
index 2d55ca49e..6102d348b 100644
--- a/_docs/public/index.html
+++ b/_docs/public/index.html
@@ -101,7 +101,7 @@ pre {
 <p>NOTE: <code>file://</code> URL may not work with Ebiten. Execute your game on a HTTP server.</p>
 
 <h2>Change Log</h2>
-<h3>2015-??-??</h3>
+<h3>2015-01-10</h3>
 <ul>
   <li>v1.1.0-rc1 released.
     <ul>