diff --git a/java/java.go b/java/java.go
index 2897fd7..cbdc2bd 100644
--- a/java/java.go
+++ b/java/java.go
@@ -164,6 +164,9 @@
 		android.SdkMemberTypeBase{
 			PropertyName: "java_systemserver_libs",
 			SupportsSdk:  true,
+
+			// This was only added in Tiramisu.
+			SupportedBuildReleaseSpecification: "Tiramisu+",
 		},
 		func(ctx android.SdkMemberContext, j *Library) android.Path {
 			// Java systemserver libs are only provided in the SDK to provide access to their dex
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index fa61ea6..79d2ee9 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -28,6 +28,9 @@
 		SdkMemberTypeBase: android.SdkMemberTypeBase{
 			PropertyName: "systemserverclasspath_fragments",
 			SupportsSdk:  true,
+
+			// This was only added in Tiramisu.
+			SupportedBuildReleaseSpecification: "Tiramisu+",
 		},
 	})
 }