diff --git a/dbflute.xml b/dbflute.xml
index 191dc71b5..51c796eb3 100644
--- a/dbflute.xml
+++ b/dbflute.xml
@@ -2,7 +2,7 @@
 <project name="dbflute" basedir=".">
 	<property name="mydbflute.dir" value="${basedir}/mydbflute" />
 	<property name="target.dir" value="${basedir}/target" />
-	<property name="branch.name" value="es-7.3" />
+	<property name="branch.name" value="es-7.4" />
 	<property name="mydbflute.url" value="https://github.com/lastaflute/lastaflute-example-waterfront/archive/${branch.name}.zip" />
 
 	<target name="mydbflute.check">
diff --git a/plugin.xml b/plugin.xml
index 8fe6be564..5070f872e 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -13,48 +13,48 @@
 		<mkdir dir="${plugins.dir}" />
 		<!-- analysis-extension -->
 		<antcall target="install.plugin">
-			<param name="repo.url" value="${maven.release.repo.url}" />
+			<param name="repo.url" value="${maven.snapshot.repo.url}" />
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="analysis-extension" />
-			<param name="plugin.version" value="7.3.0" />
-			<param name="plugin.zip.version" value="7.3.0" />
+			<param name="plugin.version" value="7.4.0-SNAPSHOT" />
+			<param name="plugin.zip.version" value="7.4.0-20191002.213151-1" />
 		</antcall>
 		<!-- analysis-fess -->
 		<antcall target="install.plugin">
-			<param name="repo.url" value="${maven.release.repo.url}" />
+			<param name="repo.url" value="${maven.snapshot.repo.url}" />
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="analysis-fess" />
-			<param name="plugin.version" value="7.3.0" />
-			<param name="plugin.zip.version" value="7.3.0" />
+			<param name="plugin.version" value="7.4.0-SNAPSHOT" />
+			<param name="plugin.zip.version" value="7.4.0-20191002.213836-1" />
 		</antcall>
 		<!-- configsync -->
 		<antcall target="install.plugin">
-			<param name="repo.url" value="${maven.release.repo.url}" />
+			<param name="repo.url" value="${maven.snapshot.repo.url}" />
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="configsync" />
-			<param name="plugin.version" value="7.3.0" />
-			<param name="plugin.zip.version" value="7.3.0" />
+			<param name="plugin.version" value="7.4.0-SNAPSHOT" />
+			<param name="plugin.zip.version" value="7.4.0-20191002.221957-1" />
 		</antcall>
 		<!-- dataformat -->
 		<antcall target="install.plugin">
-			<param name="repo.url" value="${maven.release.repo.url}" />
+			<param name="repo.url" value="${maven.snapshot.repo.url}" />
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="dataformat" />
-			<param name="plugin.version" value="7.3.0" />
-			<param name="plugin.zip.version" value="7.3.0" />
+			<param name="plugin.version" value="7.4.0-SNAPSHOT" />
+			<param name="plugin.zip.version" value="7.4.0-20191002.213957-1" />
 		</antcall>
 		<!-- minhash -->
 		<antcall target="install.plugin">
-			<param name="repo.url" value="${maven.release.repo.url}" />
+			<param name="repo.url" value="${maven.snapshot.repo.url}" />
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="minhash" />
-			<param name="plugin.version" value="7.3.0" />
-			<param name="plugin.zip.version" value="7.3.0" />
+			<param name="plugin.version" value="7.4.0-SNAPSHOT" />
+			<param name="plugin.zip.version" value="7.4.0-20191002.215149-1" />
 		</antcall>
 
 		<antcall target="remove.jars" />
diff --git a/pom.xml b/pom.xml
index 9e8c957ce..05589a36f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.codelibs.fess</groupId>
 	<artifactId>fess</artifactId>
-	<version>13.3.3-SNAPSHOT</version>
+	<version>13.4.0-SNAPSHOT</version>
 	<packaging>war</packaging>
 	<name>Fess</name>
 	<description>Fess is Full tExt Search System.</description>
@@ -58,15 +58,15 @@
 		<utflute.version>0.9.1</utflute.version>
 
 		<!-- Crawler -->
-		<crawler.version>3.3.2</crawler.version>
+		<crawler.version>3.4.0-SNAPSHOT</crawler.version>
 
 		<!-- Suggest -->
-		<suggest.version>7.3.0</suggest.version>
+		<suggest.version>7.4.0-SNAPSHOT</suggest.version>
 
 		<!-- Elasticsearch -->
-		<elasticsearch.version>7.3.2</elasticsearch.version>
-		<elasticsearch.httpclient.version>7.3.1</elasticsearch.httpclient.version>
-		<cluster.runner.version>${elasticsearch.version}.1</cluster.runner.version>
+		<elasticsearch.version>7.4.0</elasticsearch.version>
+		<elasticsearch.httpclient.version>7.4.0</elasticsearch.httpclient.version>
+		<cluster.runner.version>${elasticsearch.version}.0</cluster.runner.version>
 
 		<!-- Tomcat -->
 		<tomcat.version>9.0.21</tomcat.version>