diff --git a/onebusaway-admin-webapp/pom.xml b/onebusaway-admin-webapp/pom.xml
index 3f9cbe471..18f69d036 100644
--- a/onebusaway-admin-webapp/pom.xml
+++ b/onebusaway-admin-webapp/pom.xml
@@ -13,7 +13,7 @@
 		<xwiki.version>2.3.1</xwiki.version>
 		<xwiki.integration.version>1.0.1</xwiki.integration.version>
 		<geotools.version>20.5</geotools.version>
-		<spring.security.version>5.3.2.RELEASE</spring.security.version>
+		<spring.security.version>5.3.9.RELEASE</spring.security.version>
 		<bundle.builtPath>/var/lib/oba/bundles/builder</bundle.builtPath>
 		<bundle.stagedPath>/var/lib/oba/bundles/staged</bundle.stagedPath>
 		<bundle.deployPath>/var/lib/oba/bundles/active</bundle.deployPath>