diff --git a/packages/SystemUI/proguard.flags b/packages/SystemUI/proguard.flags
index 5b9299c278a97..7538555e1bcdc 100644
--- a/packages/SystemUI/proguard.flags
+++ b/packages/SystemUI/proguard.flags
@@ -11,6 +11,11 @@
 -keep class * extends com.android.systemui.CoreStartable
 -keep class * implements com.android.systemui.CoreStartable$Injector
 
+# Needed for builds to properly initialize KeyFrames from xml scene
+-keepclassmembers class * extends androidx.constraintlayout.motion.widget.Key {
+  public <init>();
+}
+
 -keepclasseswithmembers class * {
     public <init>(android.content.Context, android.util.AttributeSet);
 }