diff --git a/build.gradle b/build.gradle
index e710895..778e552 100644
--- a/build.gradle
+++ b/build.gradle
@@ -144,10 +144,6 @@ configure(javaProjects) {
 	}
 
 	configurations {
-		// exclude JUnit 4 globally, in favor of JUnit 5
-		testImplementation.exclude group: "junit", module: "junit"
-		testImplementation.exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
-
 		compileOnly.defaultDependencies { dependencies ->
 			dependencies.add project.dependencies.create("org.immutables:value:${immutablesVersion}")
 		}
diff --git a/gradle.properties b/gradle.properties
index 460c3aa..0fa6f5a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -16,7 +16,7 @@ mockitoVersion = 3.1.0
 openServiceBrokerVersion = 3.1.1.RELEASE
 pmdVersion = 6.24.0
 reactorVersion = Dysprosium-SR7
-springBootVersion = 2.2.7.RELEASE
+springBootVersion = 2.3.1.RELEASE
 springCredhubVersion = 2.1.1.RELEASE
-springFrameworkVersion = 5.2.6.RELEASE
+springFrameworkVersion = 5.2.7.RELEASE
 wiremockVersion = 2.25.1