diff --git a/jdk/test/java/net/httpclient/SplitResponse.java b/jdk/test/java/net/httpclient/SplitResponse.java
index a26ee01e159..dc67961af86 100644
--- a/jdk/test/java/net/httpclient/SplitResponse.java
+++ b/jdk/test/java/net/httpclient/SplitResponse.java
@@ -33,6 +33,7 @@ import java.util.concurrent.CompletableFuture;
 /**
  * @test
  * @bug 8087112
+ * @key intermittent
  * @build Server
  * @run main/othervm -Djava.net.HttpClient.log=all SplitResponse
  */
diff --git a/jdk/test/java/net/httpclient/http2/BasicTest.java b/jdk/test/java/net/httpclient/http2/BasicTest.java
index 3a07e652730..0503ba4ddfb 100644
--- a/jdk/test/java/net/httpclient/http2/BasicTest.java
+++ b/jdk/test/java/net/httpclient/http2/BasicTest.java
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 8087112
+ * @key intermittent
  * @library /lib/testlibrary
  * @build jdk.testlibrary.SimpleSSLContext
  * @modules java.httpclient
diff --git a/jdk/test/java/net/httpclient/http2/ErrorTest.java b/jdk/test/java/net/httpclient/http2/ErrorTest.java
index 578dc4df797..3dee42103d3 100644
--- a/jdk/test/java/net/httpclient/http2/ErrorTest.java
+++ b/jdk/test/java/net/httpclient/http2/ErrorTest.java
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 8157105
+ * @key intermittent
  * @library /lib/testlibrary
  * @build jdk.testlibrary.SimpleSSLContext
  * @modules java.httpclient
diff --git a/jdk/test/java/net/httpclient/http2/TLSConnection.java b/jdk/test/java/net/httpclient/http2/TLSConnection.java
index f2721eb268e..038e774f5b1 100644
--- a/jdk/test/java/net/httpclient/http2/TLSConnection.java
+++ b/jdk/test/java/net/httpclient/http2/TLSConnection.java
@@ -39,6 +39,7 @@ import javax.net.ssl.SSLSession;
 /*
  * @test
  * @bug 8150769 8157107
+ * @key intermittent
  * @summary Checks that SSL parameters can be set for HTTP/2 connection
  * @modules java.httpclient
  * @compile/module=java.httpclient java/net/http/Http2Handler.java