diff --git a/gradle.properties b/gradle.properties
index 908e9d4..373e695 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,7 +7,7 @@ javaxServletJspJstlApiVersion=1.2.1
 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=5.3.1
+springVersion=5.3.3
 springBootVersion=2.4.1-SNAPSHOT
 springDataBomVersion=2021.0.0-SNAPSHOT
 springDataCommonsVersion=2.5.0-SNAPSHOT