diff --git a/pom.xml b/pom.xml
index 70fc44b..999b93d 100755
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 
 	<groupId>jp.igapyon.oiyokan</groupId>
 	<artifactId>oiyokan-demosite</artifactId>
-	<version>1.11.20210503b</version>
+	<version>1.13.20210509a</version>
 	<name>oiyokan-demosite</name>
 	<description>Oiyokan is a simple OData v4 Server. (based on Apache
 		Olingo / Spring Boot / h2 database)</description>
@@ -86,7 +86,7 @@
 		<dependency>
 			<groupId>jp.igapyon.oiyokan</groupId>
 			<artifactId>oiyokan</artifactId>
-			<version>1.11.20210503g</version>
+			<version>1.13.20210509a</version>
 		</dependency>
 
 		<dependency>
@@ -131,7 +131,7 @@
 
 
 
-		<!-- From oiyokan : DUP -->
+		<!-- From oiyokan : for url : file:./repo : DUP -->
 		<!-- https://mvnrepository.com/artifact/org.apache.olingo/odata-server-api -->
 		<dependency>
 			<groupId>org.apache.olingo</groupId>
@@ -169,7 +169,7 @@
 			<artifactId>h2</artifactId>
 			<version>1.4.200</version>
 		</dependency>
-		<!-- From oiyokan : DUP -->
+		<!-- From oiyokan : for url : file:./repo : DUP -->
 
 	</dependencies>
 
diff --git a/src/main/java/jp/oiyokan/demosite/OiyokanDemositeConstants.java b/src/main/java/jp/oiyokan/demosite/OiyokanDemositeConstants.java
index 7ba1e8c..2c38212 100644
--- a/src/main/java/jp/oiyokan/demosite/OiyokanDemositeConstants.java
+++ b/src/main/java/jp/oiyokan/demosite/OiyokanDemositeConstants.java
@@ -19,5 +19,5 @@
  * Oiyokan Demosite の定数.
  */
 public class OiyokanDemositeConstants {
-    public static final String VERSION = "1.11.20210503b";
+    public static final String VERSION = "1.13.20210509a";
 }
\ No newline at end of file
diff --git a/src/main/java/jp/oiyokan/demosite/OiyokanOdata4Register.java b/src/main/java/jp/oiyokan/demosite/OiyokanOdata4Register.java
index 515eaf4..2f78c55 100755
--- a/src/main/java/jp/oiyokan/demosite/OiyokanOdata4Register.java
+++ b/src/main/java/jp/oiyokan/demosite/OiyokanOdata4Register.java
@@ -47,8 +47,7 @@ public class OiyokanOdata4Register {
      */
     @RequestMapping(ODATA_ROOTPATH + "/*")
     public void serv(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException {
-        // Set cache control.
-        resp.addHeader("Cache-Control", "no-cache, no-store");
+        // ライブラリ側でキャッシュOFFを実施する。
 
         // Process Oiyokan.
         OiyokanOdata4RegisterImpl.serv(req, resp, ODATA_ROOTPATH);
diff --git a/src/main/resources/db/oiyokan-internal.mv.db b/src/main/resources/db/oiyokan-internal.mv.db
index 8a9af77..c792345 100644
Binary files a/src/main/resources/db/oiyokan-internal.mv.db and b/src/main/resources/db/oiyokan-internal.mv.db differ