diff --git a/build.gradle b/build.gradle
index d10b2c4..036a2e8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,23 +14,23 @@ buildscript {
 
   dependencies {
   	// usage: gradlew dependencyUpdates -Drevision=release
-    classpath 'com.github.ben-manes:gradle-versions-plugin:0.29.0'
+    classpath 'com.github.ben-manes:gradle-versions-plugin:0.33.0'
   }
 }
 
 ext {
 
-    javaVersion=12
+    javaVersion=14
     
     version_log4j2= '2.13.3' // keep in sync with spring-boot-starter-log4j2
-    version_spring = '2.3.2.RELEASE'
-    version_junit = '5.6.1'
-    version_junit_platform = '1.6.1'
+    version_spring = '2.3.4.RELEASE'
+    version_junit = '5.7.0'
+    version_junit_platform = '1.7.0'
     
     lib_antlr = "org.antlr:antlr4:4.8-1"
     
     lib_commons_collections4 = 'org.apache.commons:commons-collections4:4.4'
-    lib_commons_lang3 = 'org.apache.commons:commons-lang3:3.10'
+    lib_commons_lang3 = 'org.apache.commons:commons-lang3:3.11'
     lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.11.2'
     
     lib_log4j2_core = "org.apache.logging.log4j:log4j-core:${version_log4j2}"
@@ -92,7 +92,7 @@ subprojects {
 	
 	// dependencies that all sub-projects have 
 	dependencies {
-    testImplementation "org.junit.jupiter:junit-jupiter-engine:${version_junit}"
+    testImplementation("org.junit.jupiter:junit-jupiter-engine:${version_junit}")
     testImplementation "org.junit.jupiter:junit-jupiter-params:${version_junit}"  // for @ParameterizedTest
     testImplementation "org.junit.platform:junit-platform-launcher:${version_junit_platform}" // needed by eclipse
   }
diff --git a/pdb-ui/build.gradle b/pdb-ui/build.gradle
index 79c40a1..9a99013 100644
--- a/pdb-ui/build.gradle
+++ b/pdb-ui/build.gradle
@@ -26,6 +26,7 @@ dependencies {
 	testImplementation(lib_spring_boot_test){
 		exclude module: 'spring-boot-starter-logging'
 		exclude module: 'junit'
+    exclude module: 'junit-vintage-engine'
 	}
 }