diff --git a/pom.xml b/pom.xml
index 18ff1a5..744f4d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,12 +8,16 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>1.5.8.RELEASE</version>
+		<version>1.5.9.RELEASE</version>
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
 		<swagger.version>2.7.0</swagger.version>
+		<google.guava>23.0</google.guava>
+		<commons-lang3>3.7</commons-lang3>
+		<fastjson.version>1.2.41</fastjson.version>
+		<quartz.version>2.3.0</quartz.version>
 	</properties>
 
 	<dependencies>
@@ -33,12 +37,12 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>21.0</version>
+			<version>${google.guava}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
-			<version>3.5</version>
+			<version>${commons-lang3}</version>
 		</dependency>
 		<!-- <dependency>
 			<groupId>org.projectlombok</groupId>
@@ -59,7 +63,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.31</version>
+			<version>${fastjson.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -110,7 +114,7 @@
 		<dependency>
 			<groupId>org.quartz-scheduler</groupId>
 			<artifactId>quartz</artifactId>
-			<version>2.2.1</version>
+			<version>${quartz.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>