diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 88a0b63..a0f50bc 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -341,6 +341,7 @@ tasks.register<Copy>("includeJdk") {
     from(Jvm.current().javaHome.absolutePath)
     destinationDir = composeResources("jdk").get().asFile

+    dirPermissions { unix("rwx------") };
     fileTree(destinationDir).files.forEach { file ->
         file.setWritable(true, false)
         file.setReadable(true, false)
diff --git a/java/build.gradle.kts b/java/build.gradle.kts
index fc7151189..6dd8409fa 100644
--- a/java/build.gradle.kts
+++ b/java/build.gradle.kts
@@ -80,6 +80,7 @@ legacyLibraries.forEach { library ->
         include("*.properties")
         include("library/**/*")
         include("examples/**/*")
+        dirPermissions { unix("rwx------") };
         into( javaMode("/libraries/$library"))
     }
     bundle.configure {