diff --git a/build.gradle b/build.gradle
index 4b46849..bc8cacf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ buildscript {
 
   dependencies {
   	// usage: gradlew dependencyUpdates -Drevision=release
-    classpath 'com.github.ben-manes:gradle-versions-plugin:0.27.0'
+    classpath 'com.github.ben-manes:gradle-versions-plugin:0.28.0'
   }
 }
 
@@ -23,7 +23,7 @@ ext {
     javaVersion=12
     
     version_log4j2= '2.12.1' // keep in sync with spring-boot-starter-log4j2
-    version_spring = '2.2.4.RELEASE'
+    version_spring = '2.2.5.RELEASE'
     version_junit = '5.6.0'
     version_junit_platform = '1.6.0'
     
@@ -31,7 +31,7 @@ ext {
     
     lib_commons_collections4 = 'org.apache.commons:commons-collections4:4.4'
     lib_commons_lang3 = 'org.apache.commons:commons-lang3:3.9'
-    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.10.2'
+    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.10.3'
     
     lib_log4j2_core = "org.apache.logging.log4j:log4j-core:${version_log4j2}"
     lib_log4j2_slf4j_impl = "org.apache.logging.log4j:log4j-slf4j-impl:${version_log4j2}"
@@ -124,5 +124,5 @@ subprojects {
 }
 
 wrapper {
-    gradleVersion = '6.1'
+    gradleVersion = '6.2.2'
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ba94df8..a2bf131 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew.bat b/gradlew.bat
index 24467a1..9109989 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -29,6 +29,9 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"