diff --git a/.github/workflows/verify-jdk9-classes.yml b/.github/workflows/verify-jdk9-classes.yml
new file mode 100644
index 00000000000..da62dd1521f
--- /dev/null
+++ b/.github/workflows/verify-jdk9-classes.yml
@@ -0,0 +1,58 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: Verify JDK9 classes
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  verify-jdk9-classes-check:
+    name: Verify JDK9 classes check
+    runs-on: ubuntu-20.04
+    if: github.repository == 'apache/incubator-pekko'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          fetch-tags: true
+
+      - name: Setup Java 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 11
+
+      - name: Cache Coursier cache
+        uses: coursier/cache-action@v6
+
+      - name: Publish Stream module local
+        run: sbt ";stream / publishLocal ;"
+
+      - name: Use Scala-CLI to check
+        uses: VirtusLab/scala-cli-setup@v1.1.2
+        run: |-
+          scala-cli --version
+          scala-cli stream/target/scala-cli/VerifyJDK9Classes.sc || (
+          echo "Error when VerifyJDK9Classes"
+          exit 1
+          )
+
diff --git a/project/VerifyJDK9Classes.scala b/project/VerifyJDK9Classes.scala
index 9377995a9bd..9af19ee3c38 100644
--- a/project/VerifyJDK9Classes.scala
+++ b/project/VerifyJDK9Classes.scala
@@ -26,9 +26,6 @@ object VerifyJDK9Classes {
 
   private def generateScalaCLIScript(version: String): String =
     s"""
-      |//> using repository m2Local
-      |//> using repository sonatype:snapshots
-      |//> using repository sonatype:releases
       |//> using dep "org.apache.pekko::pekko-stream:${version}"
       |////> using jvm 11
       |object VerifyJDK9Classes {