diff --git a/cobia-core/pom.xml b/cobia-core/pom.xml
index 7b3d77c..fd46a98 100644
--- a/cobia-core/pom.xml
+++ b/cobia-core/pom.xml
@@ -14,7 +14,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <spring_version>4.3.17.RELEASE</spring_version>
+        <spring_version>4.3.18.RELEASE</spring_version>
         <zkclient_version>0.10</zkclient_version>
     </properties>
 
diff --git a/cobia-demo/pom.xml b/cobia-demo/pom.xml
index 836e27c..4eeb6ac 100644
--- a/cobia-demo/pom.xml
+++ b/cobia-demo/pom.xml
@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <spring_version>4.3.17.RELEASE</spring_version>
+        <spring_version>4.3.18.RELEASE</spring_version>
         <zkclient_version>0.10</zkclient_version>
     </properties>