diff --git a/gradle.properties b/gradle.properties
index ad670eb..fef631f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,7 +9,7 @@ pivotalGemFireVersion=9.10.0
 # The Spring Boot & Spring Session version are the only required version properties.
 # The other Spring version properties are for overriding/testing purposes.
 springVersion=5.2.5.RELEASE
-springBootVersion=2.3.0.M2
+springBootVersion=2.3.0.M4
 springDataCommonsVersion=2.3.0.BUILD-SNAPSHOT
 springDataGemFireVersion=2.3.0.BUILD-SNAPSHOT
 springDataGeodeVersion=2.3.0.BUILD-SNAPSHOT