diff --git a/build.gradle b/build.gradle
index c549d0a2..41e869ce 100644
--- a/build.gradle
+++ b/build.gradle
@@ -211,13 +211,13 @@ subprojects { subproject ->
 			postgresVersion = '42.0.0'
 			subethasmtpVersion = '1.2'
 			slf4jVersion = '1.7.25'
-			springIntegrationVersion = '5.1.0.M1'
+			springIntegrationVersion = '5.1.0.M2'
 			springIntegrationKafkaVersion = '3.1.0.M1'
 			springIntegrationSocialTwiterVersion = '1.0.0.M1'
 			springIntegrationSplunkVersion = '1.1.0.RELEASE'
 			springKafkaVersion = '2.2.0.M1'
-			springVersion = '5.1.0.RC1'
-			springSecurityVersion = '5.1.0.M2'
+			springVersion = '5.1.0.RC2'
+			springSecurityVersion = '5.1.0.RC1'
 			springWebFlowVersion = '2.3.3.RELEASE'
 			tilesJspVersion = '2.2.1'
 			validationApiVersion = '1.0.0.GA'