update dependencies

build.gradle

@@ -14,7 +14,7 @@ buildscript {
 
   dependencies {
     // usage: gradlew dependencyUpdates -Drevision=release
-    classpath 'com.github.ben-manes:gradle-versions-plugin:0.33.0'
+    classpath 'com.github.ben-manes:gradle-versions-plugin:0.36.0'
   }
 }
 
@@ -23,7 +23,7 @@ ext {
     javaVersion=14
     
     version_log4j2= '2.13.3' // keep in sync with spring-boot-starter-log4j2
-    version_spring = '2.3.5.RELEASE'
+    version_spring = '2.4.0'
     version_junit = '5.7.0'
     version_junit_platform = '1.7.0'
     
@@ -31,7 +31,7 @@ ext {
     
     lib_commons_collections4 = 'org.apache.commons:commons-collections4:4.4'
     lib_commons_lang3 = 'org.apache.commons:commons-lang3:3.11'
-    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.11.2'
+    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.11.3'
     
     lib_log4j2_core = "org.apache.logging.log4j:log4j-core:${version_log4j2}"
     lib_log4j2_slf4j_impl = "org.apache.logging.log4j:log4j-slf4j-impl:${version_log4j2}"