diff --git a/api/current.txt b/api/current.txt
index 2019c3e9a816e..5437d5680903a 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -28469,6 +28469,7 @@ package android.security {
   public static abstract class KeyStoreKeyProperties.Origin {
     field public static final int GENERATED = 1; // 0x1
     field public static final int IMPORTED = 2; // 0x2
+    field public static final int UNKNOWN = 4; // 0x4
   }
 
   public static abstract class KeyStoreKeyProperties.OriginEnum implements java.lang.annotation.Annotation {
diff --git a/api/system-current.txt b/api/system-current.txt
index df2038b8c0810..b2bee6ebfbe2c 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -30472,6 +30472,7 @@ package android.security {
   public static abstract class KeyStoreKeyProperties.Origin {
     field public static final int GENERATED = 1; // 0x1
     field public static final int IMPORTED = 2; // 0x2
+    field public static final int UNKNOWN = 4; // 0x4
   }
 
   public static abstract class KeyStoreKeyProperties.OriginEnum implements java.lang.annotation.Annotation {
diff --git a/keystore/java/android/security/KeyStoreKeyProperties.java b/keystore/java/android/security/KeyStoreKeyProperties.java
index a0faf88ec9e12..206103f44908f 100644
--- a/keystore/java/android/security/KeyStoreKeyProperties.java
+++ b/keystore/java/android/security/KeyStoreKeyProperties.java
@@ -217,7 +217,7 @@ public abstract class KeyStoreKeyProperties {
     }
 
     @Retention(RetentionPolicy.SOURCE)
-    @IntDef({Origin.GENERATED, Origin.IMPORTED})
+    @IntDef({Origin.GENERATED, Origin.IMPORTED, Origin.UNKNOWN})
     public @interface OriginEnum {}
 
     /**
@@ -235,8 +235,6 @@ public abstract class KeyStoreKeyProperties {
         /**
          * Origin of the key is unknown. This can occur only for keys backed by an old TEE
          * implementation which does not record origin information.
-         *
-         * @hide
          */
         public static final int UNKNOWN = 1 << 2;