diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
index b5026b05a503..f7123b090bdb 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
@@ -3355,7 +3355,7 @@ public void onTimer(OnTimerContext c, PipelineOptions options) {
   }
 
   @Test
-  @Category(ValidatesRunner.class)
+  @Category({ValidatesRunner.class, UsesTestStream.class})
   public void duplicateTimerSetting() {
     TestStream<KV<String, String>> stream = TestStream
         .create(KvCoder.of(StringUtf8Coder.of(), StringUtf8Coder.of()))