diff --git a/tools/aapt/SdkConstants.h b/tools/aapt/SdkConstants.h
index a146466..e2c1614 100644
--- a/tools/aapt/SdkConstants.h
+++ b/tools/aapt/SdkConstants.h
@@ -49,6 +49,7 @@
     SDK_S = 31,
     SDK_S_V2 = 32,
     SDK_TIRAMISU = 33,
+    SDK_UPSIDE_DOWN_CAKE = 34,
     SDK_CUR_DEVELOPMENT = 10000,
 };