diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
index 551eb41d..88ba752b 100644
--- a/android/app/proguard-rules.pro
+++ b/android/app/proguard-rules.pro
@@ -12,3 +12,12 @@
 -keep class com.facebook.react.turbomodule.** { *; }
 
 # Add any project specific keep options here:
+
+# The app's own native code (com.anonymous.bulwarkmobile). What R8 must not
+# drop or rename there is already covered elsewhere: React Native's rules keep
+# every NativeModule, whose @ReactMethod methods JS calls by name, and AAPT
+# keeps the application, activity and services listed in AndroidManifest.xml
+# (FCM, UnifiedPush and the headless JS task). Keeping the package whole on
+# top of that costs a few KB and leaves its class and method names readable
+# in a crash report from an obfuscated release build.
+-keep class com.anonymous.bulwarkmobile.** { *; }
diff --git a/android/gradle.properties b/android/gradle.properties
index ad02561b..9d57fd03 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -25,6 +25,11 @@ android.useAndroidX=true
 # Enable AAPT2 PNG crunching
 android.enablePngCrunchInReleaseBuilds=true
 
+# Shrink release builds with R8 (code) and the resource shrinker. Keep rules
+# for classes reached by reflection go in app/proguard-rules.pro.
+android.enableMinifyInReleaseBuilds=true
+android.enableShrinkResourcesInReleaseBuilds=true
+
 # Use this property to specify which architecture you want to build.
 # You can also override it from the CLI using
 # ./gradlew <task> -PreactNativeArchitectures=x86_64