diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/main/java/org/springframework/cloud/contract/verifier/plugin/SpringCloudContractVerifierGradlePlugin.java b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/main/java/org/springframework/cloud/contract/verifier/plugin/SpringCloudContractVerifierGradlePlugin.java
index 28f849552d..643282b969 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/main/java/org/springframework/cloud/contract/verifier/plugin/SpringCloudContractVerifierGradlePlugin.java
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/main/java/org/springframework/cloud/contract/verifier/plugin/SpringCloudContractVerifierGradlePlugin.java
@@ -26,8 +26,8 @@
 import org.gradle.api.attributes.Usage;
 import org.gradle.api.file.Directory;
 import org.gradle.api.file.DirectoryProperty;
-import org.gradle.api.file.FileCollection;
 import org.gradle.api.internal.HasConvention;
+import org.gradle.api.model.ObjectFactory;
 import org.gradle.api.plugins.GroovyPlugin;
 import org.gradle.api.plugins.JavaBasePlugin;
 import org.gradle.api.plugins.JavaPlugin;
@@ -128,6 +128,8 @@ public void apply(Project project) {
 
 	private SourceSet configureSourceSets(ContractVerifierExtension extension, JavaPluginConvention javaConvention) {
 		SourceSetContainer sourceSets = javaConvention.getSourceSets();
+		ConfigurationContainer configurations = project.getConfigurations();
+		ObjectFactory objects = project.getObjects();
 		SourceSet contractTest = sourceSets.create(CONTRACT_TEST_SOURCE_SET_NAME);
 		contractTest.getJava().srcDirs(extension.getGeneratedTestJavaSourcesDir());
 		project.getPlugins().withType(GroovyPlugin.class, groovyPlugin -> {
@@ -139,11 +141,11 @@ private SourceSet configureSourceSets(ContractVerifierExtension extension, JavaP
 		SourceSetOutput mainOutput = sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME).getOutput();
 		SourceSetOutput testOutput = sourceSets.getByName(SourceSet.TEST_SOURCE_SET_NAME).getOutput();
 
-		FileCollection compileClasspath = contractTest.getCompileClasspath();
-		contractTest.setCompileClasspath(compileClasspath.plus(mainOutput).plus(testOutput));
+		Configuration contractTestCompileClasspathConfiguration = configurations.getByName(contractTest.getCompileClasspathConfigurationName());
+		Configuration contractTestRuntimeClasspathConfiguration = configurations.getByName(contractTest.getRuntimeClasspathConfigurationName());
 
-		FileCollection runtimeClasspath = contractTest.getRuntimeClasspath();
-		contractTest.setRuntimeClasspath(runtimeClasspath.plus(mainOutput).plus(testOutput));
+		contractTest.setCompileClasspath(objects.fileCollection().from(testOutput, mainOutput, contractTestCompileClasspathConfiguration));
+		contractTest.setRuntimeClasspath(objects.fileCollection().from(contractTest.getOutput(), testOutput, mainOutput, contractTestRuntimeClasspathConfiguration));
 		return contractTest;
 	}