diff --git a/pom.xml b/pom.xml
index 7944476..013cbe2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<appengine.api.sdk.version>1.9.63</appengine.api.sdk.version>
-		<spring.version>5.0.5.RELEASE</spring.version>
+		<spring.version>5.2.3.RELEASE</spring.version>
 		<datanucleus.version>3.1.4</datanucleus.version>
 		<gae.version>1.9.63</gae.version>
         <additionalparam>-Xdoclint:none</additionalparam>