diff --git a/core/java/android/security/flags.aconfig b/core/java/android/security/flags.aconfig
index b6c2b83f0daad26752e4f567d11023fc779c270c..5aa309753cc4a4e7ea73621303a9a4302a2dd76f 100644
--- a/core/java/android/security/flags.aconfig
+++ b/core/java/android/security/flags.aconfig
@@ -12,4 +12,5 @@ flag {
     namespace: "hardware_backed_security"
     description: "Fix bugs in behavior of UnlockedDeviceRequired keystore keys"
     bug: "296464083"
+    is_fixed_read_only: true
 }