diff --git a/gradle.properties b/gradle.properties
index 3a4f1a7d..d2ab6985 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@ group=org.jasig.portlet.notification
 version=4.8.1-SNAPSHOT
 
 # Matches (apparently) Spring Boot 1.5.10.RELEASE
-springVersion=4.3.30.RELEASE
+springVersion=6.1.5
 springSecurityVersion=4.2.9.RELEASE
 springSecurityOAuth2Version=2.5.2.RELEASE