diff --git a/build.sbt b/build.sbt
index 0449d24d48..4f0fb94267 100644
--- a/build.sbt
+++ b/build.sbt
@@ -186,7 +186,8 @@ lazy val googleCommon = alpakkaProject(
   "google-common",
   "google.common",
   Dependencies.GoogleCommon,
-  Test / fork := true
+  Test / fork := true,
+  headerSources / excludeFilter := HiddenFileFilter || "JwtSprayJsonParser.scala"
 )
 
 lazy val googleCloudBigQuery = alpakkaProject(
diff --git a/google-common/src/main/scala/akka/stream/alpakka/google/auth/JwtSprayJsonParser.scala b/google-common/src/main/scala/akka/stream/alpakka/google/auth/JwtSprayJsonParser.scala
index debfe2a3f7..ef4121b44e 100644
--- a/google-common/src/main/scala/akka/stream/alpakka/google/auth/JwtSprayJsonParser.scala
+++ b/google-common/src/main/scala/akka/stream/alpakka/google/auth/JwtSprayJsonParser.scala
@@ -1,10 +1,8 @@
-/*
- * Copyright (C) since 2016 Lightbend Inc. <https://www.lightbend.com>
- */
-
 /*
  * This software is licensed under the Apache 2 license.
  * Copyright 2021 JWT-Scala Contributors.
+ *
+ * Copyright (C) since 2023 Lightbend Inc. <https://www.lightbend.com>
  */
 
 package akka.stream.alpakka.google.auth