diff --git a/essential/iwant-core-download/src/main/java/org/fluentjava/iwant/core/download/TestedIwantDependencies.java b/essential/iwant-core-download/src/main/java/org/fluentjava/iwant/core/download/TestedIwantDependencies.java
index 2af99961..49f1906e 100644
--- a/essential/iwant-core-download/src/main/java/org/fluentjava/iwant/core/download/TestedIwantDependencies.java
+++ b/essential/iwant-core-download/src/main/java/org/fluentjava/iwant/core/download/TestedIwantDependencies.java
@@ -20,10 +20,10 @@ public static List<GnvArtifact<Downloaded>> junitJupiterCompileDeps() {
 	}
 
 	public static List<GnvArtifact<Downloaded>> junitJupiterRtDeps() {
-		return List.of(junitJupiterEngine(), junitPlatformCommons(),
-				junitJupiterParams(), junitPlatformConsole(),
-				junitPlatformLauncher(), junitPlatformEngine(),
-				junitVintageEngine(), opentest4j());
+		return List.of(apiguardianApi(), junitJupiterEngine(),
+				junitPlatformCommons(), junitJupiterParams(),
+				junitPlatformConsole(), junitPlatformLauncher(),
+				junitPlatformEngine(), junitVintageEngine(), opentest4j());
 	}
 
 	public static GnvArtifact<Downloaded> antJar() {
@@ -101,6 +101,10 @@ public static GnvArtifact<Downloaded> junitVintageEngine() {
 				JUNIT_JUPITER_VER);
 	}
 
+	public static GnvArtifact<Downloaded> apiguardianApi() {
+		return gnv("org.apiguardian", "apiguardian-api", "1.1.2");
+	}
+
 	public static GnvArtifact<Downloaded> opentest4j() {
 		return gnv("org.opentest4j", "opentest4j", "1.3.0");
 	}
diff --git a/essential/iwant-entry3/src/test/java/org/fluentjava/iwant/entry3/WorkspaceDefinitionContextImplTest.java b/essential/iwant-entry3/src/test/java/org/fluentjava/iwant/entry3/WorkspaceDefinitionContextImplTest.java
index 23b45885..c7123d6c 100644
--- a/essential/iwant-entry3/src/test/java/org/fluentjava/iwant/entry3/WorkspaceDefinitionContextImplTest.java
+++ b/essential/iwant-entry3/src/test/java/org/fluentjava/iwant/entry3/WorkspaceDefinitionContextImplTest.java
@@ -156,7 +156,8 @@ public void iwantPluginJunit5runnerWithDependenciesContainsCorrectModules() {
 
 		assertEquals("[iwant-plugin-junit5runner,"
 				+ " hamcrest-core-1.3.jar, junit-4.13.2.jar, junit-jupiter-5.10.2.jar,"
-				+ " junit-jupiter-api-5.10.2.jar, junit-jupiter-engine-5.10.2.jar,"
+				+ " junit-jupiter-api-5.10.2.jar, apiguardian-api-1.1.2.jar,"
+				+ " junit-jupiter-engine-5.10.2.jar,"
 				+ " junit-platform-commons-1.10.2.jar, junit-jupiter-params-5.10.2.jar,"
 				+ " junit-platform-console-1.10.2.jar, junit-platform-launcher-1.10.2.jar,"
 				+ " junit-platform-engine-1.10.2.jar, junit-vintage-engine-5.10.2.jar,"