diff --git a/gradle-plugin/src/main/resources/lib/proguard-android-common.txt b/gradle-plugin/src/main/resources/lib/proguard-android-common.txt
index 2a6a9b41..195717a6 100644
--- a/gradle-plugin/src/main/resources/lib/proguard-android-common.txt
+++ b/gradle-plugin/src/main/resources/lib/proguard-android-common.txt
@@ -153,3 +153,8 @@
   public void onDeviceStateChanged(androidx.window.sidecar.SidecarDeviceState);
   public void onWindowLayoutChanged(android.os.IBinder, androidx.window.sidecar.SidecarWindowLayoutInfo);
 }
+
+# Java 7 ClassValue workaround when building vs an older android.jar
+-keepclassmembers class ** {
+    java.lang.Object computeValue(java.lang.Class);
+}