diff --git a/pom.xml b/pom.xml
index 682dca1..ddb1069 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 
     <properties>
         <spring.version>3.2.0.RELEASE</spring.version>
-        <spring-security.version>3.1.0.RELEASE</spring-security.version>
+        <spring-security.version>5.5.7</spring-security.version>
         <motech.version>0.12.3-whp</motech.version>
         <motech.contrib.version>0.5</motech.contrib.version>
         <slf4j.version>1.6.1</slf4j.version>