diff --git a/lib/consumer-rules.pro b/lib/consumer-rules.pro
index e69de29..fff1925 100644
--- a/lib/consumer-rules.pro
+++ b/lib/consumer-rules.pro
@@ -0,0 +1,19 @@
+# BindingExtension discovers the binding class at runtime by walking
+# generic supertype signatures (findClass in Utils.kt) and then invoking
+# the binding's static inflate(...) reflectively. R8 strips the Signature
+# attribute and inflate methods by default, which crashes every
+# BindingActivity/BindingFragment in minified builds (see issue #11).
+
+-keepattributes Signature
+
+-keep class com.jintin.bindingextension.** { *; }
+
+# Keep subclasses (and their generic signatures) so the supertype walk
+# still finds the parameterized BindingActivity/BindingFragment.
+-keep class * extends com.jintin.bindingextension.BindingActivity
+-keep class * extends com.jintin.bindingextension.BindingFragment
+
+-keepclassmembers class * implements androidx.viewbinding.ViewBinding {
+    public static ** inflate(...);
+    public static ** bind(android.view.View);
+}