diff --git a/android/app/build.gradle b/android/app/build.gradle
index 42faf3d4..e9354f33 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -57,12 +57,12 @@ android {
 
     compileOptions {
         coreLibraryDesugaringEnabled true
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
 
     signingConfigs {
diff --git a/android/app/proguard.txt b/android/app/proguard.txt
index 8f70253a..3398061d 100644
--- a/android/app/proguard.txt
+++ b/android/app/proguard.txt
@@ -12,4 +12,8 @@
 -keepclassmembers interface * extends android.os.IInterface {
     public static class *;
 }
--keep public class * extends android.os.Binder { public static *; }
\ No newline at end of file
+-keep public class * extends android.os.Binder { public static *; }
+
+# Keep rules to prevent R8 from removing necessary classes
+-dontwarn com.google.j2objc.annotations.RetainedWith
+-keep class com.google.j2objc.annotations.RetainedWith { *; }
\ No newline at end of file
diff --git a/android/proguard.txt b/android/proguard.txt
index 8f70253a..3398061d 100644
--- a/android/proguard.txt
+++ b/android/proguard.txt
@@ -12,4 +12,8 @@
 -keepclassmembers interface * extends android.os.IInterface {
     public static class *;
 }
--keep public class * extends android.os.Binder { public static *; }
\ No newline at end of file
+-keep public class * extends android.os.Binder { public static *; }
+
+# Keep rules to prevent R8 from removing necessary classes
+-dontwarn com.google.j2objc.annotations.RetainedWith
+-keep class com.google.j2objc.annotations.RetainedWith { *; }
\ No newline at end of file