diff --git a/gradle.properties b/gradle.properties
index 03886b5..c717f65 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,7 +11,7 @@ javaxServletJspJstlApiVersion=1.2.2
 multithreadedtcVersion=1.01
 # The Spring Boot & Spring Session version are the only required version properties.
 # The other Spring version properties are for overriding/testing purposes.
-springVersion=5.3.8
+springVersion=5.3.9
 springBootVersion=2.4.7
 springDataBomVersion=2020.0.10
 springDataCommonsVersion=2.4.10