diff --git a/app/build.gradle b/app/build.gradle
index 79398e14..a5359241 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -22,7 +22,7 @@ android {
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 481bb434..c7a3210c 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -18,4 +18,8 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+#-renamesourcefileattribute SourceFile
+# For the Secp256k1 library
+-keep class fr.acinq.secp256k1.jni.** { *; }
+# For the NostrPostr library
+-keep class nostr.postr.** { *; }
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 3c5031eb..c9ecf2f9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,4 +20,5 @@ kotlin.code.style=official
 # Enables namespacing of each library's R class so that its R class includes only the
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true
\ No newline at end of file
+android.nonTransitiveRClass=true
+android.enableR8.fullMode=true
\ No newline at end of file