diff --git a/spring-core-test/spring-core-test.gradle b/spring-core-test/spring-core-test.gradle
index 264bc8f7ea8..f99d4198491 100644
--- a/spring-core-test/spring-core-test.gradle
+++ b/spring-core-test/spring-core-test.gradle
@@ -4,10 +4,10 @@ dependencies {
 	api(project(":spring-core"))
 	api("org.junit.jupiter:junit-jupiter-api")
 	api("org.assertj:assertj-core")
-	api("com.thoughtworks.qdox:qdox")
 	compileOnly("org.junit.jupiter:junit-jupiter")
 	compileOnly("org.junit.platform:junit-platform-engine")
 	compileOnly("org.junit.platform:junit-platform-launcher")
+	implementation("com.thoughtworks.qdox:qdox")
 }
 
 jar {