problem: Spring Reactor is too outdated

gradle.properties

@@ -7,10 +7,10 @@ slf4jVersion=1.7.25
 jacksonVersion=2.11.0
 grpcVersion=1.25.0
 reactiveGrpcVersion=1.0.1
-springBootVersion=2.3.5.RELEASE
-springVersion=5.2.6.RELEASE
-springSecurtyVersion=5.3.2.RELEASE
-reactorVersion=3.3.5.RELEASE
+springBootVersion=2.4.5
+springVersion=5.3.6
+springSecurtyVersion=5.4.6
+reactorVersion=3.4.5
 nettyVersion=4.1.53.Final
 # Our Libs
 etherjarVersion=0.10.2