diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 3e1009ea..feb3988c 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -20,5 +20,38 @@
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
 
--keep class com.google.j2objc.annotations.** { *; }
--dontwarn   com.google.j2objc.annotations.**
+# Realm
+
+-keep class io.realm.annotations.RealmModule
+-keep @io.realm.annotations.RealmModule class *
+-keep class io.realm.internal.Keep
+-keep @io.realm.internal.Keep class *
+-dontwarn javax.**
+-dontwarn io.realm.**
+-keep class net.pokeranalytics.android.model.** { *; }
+
+# Retrofit
+
+# Retrofit does reflection on generic parameters. InnerClasses is required to use Signature and
+# EnclosingMethod is required to use InnerClasses.
+-keepattributes Signature, InnerClasses, EnclosingMethod
+# Retrofit does reflection on method and parameter annotations.
+-keepattributes RuntimeVisibleAnnotations, RuntimeVisibleParameterAnnotations
+# Retain service method parameters when optimizing.
+-keepclassmembers,allowshrinking,allowobfuscation interface * {
+    @retrofit2.http.* <methods>;
+}
+
+# Ignore annotation used for build tooling.
+-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
+# Ignore JSR 305 annotations for embedding nullability information.
+-dontwarn javax.annotation.**
+# Guarded by a NoClassDefFoundError try/catch and only used when on the classpath.
+-dontwarn kotlin.Unit
+# Top-level functions that can only be used by Kotlin.
+-dontwarn retrofit2.KotlinExtensions
+# With R8 full mode, it sees no subtypes of Retrofit interfaces since they are created with a Proxy
+# and replaces all potential values with null. Explicitly keeping the interfaces prevents this.
+-if interface * { @retrofit2.http.* <methods>; }
+-keep,allowobfuscation interface <1>
+