diff --git a/build.gradle b/build.gradle
index f3fe570b03..9b21884457 100644
--- a/build.gradle
+++ b/build.gradle
@@ -55,6 +55,12 @@ repositories {
             includeGroupByRegex "com\\.amulyakhare.*"
         }
     }
+    maven {
+        url  "https://dl.bintray.com/terl/lazysodium-maven"
+        content {
+            includeGroupByRegex "com\\.goterl\\.lazycode.*"
+        }
+    }
     google()
     jcenter()
     maven { url "https://jitpack.io" }
@@ -145,8 +151,8 @@ dependencies {
     implementation "org.whispersystems:signal-service-android:2.13.2" // Run ./gradlew install from session-android-service to install
     implementation "org.whispersystems:curve25519-java:0.5.0"
     // Remote:
-    implementation "com.goterl.lazycode:lazysodium-java:4.3.0"
-    implementation "net.java.dev.jna:jna:5.6.0"
+    implementation "com.goterl.lazycode:lazysodium-android:4.2.0@aar"
+    implementation "net.java.dev.jna:jna:5.5.0@aar"
     implementation "com.google.protobuf:protobuf-java:2.5.0"
     implementation "com.fasterxml.jackson.core:jackson-databind:2.9.8"
     implementation "com.squareup.okhttp3:okhttp:3.12.1"
@@ -266,6 +272,7 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'),
                           'proguard-dagger.pro',
                           'proguard-jackson.pro',
+                          'proguard-jna.pro',
                           'proguard-sqlite.pro',
                           'proguard-appcompat-v7.pro',
                           'proguard-square-okhttp.pro',
diff --git a/proguard-jna.pro b/proguard-jna.pro
new file mode 100644
index 0000000000..e80831221c
--- /dev/null
+++ b/proguard-jna.pro
@@ -0,0 +1,3 @@
+-dontwarn java.awt.*
+-keep class com.sun.jna.* { *; }
+-keepclassmembers class * extends com.sun.jna.* { public *; }
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/activities/RegisterActivity.kt b/src/org/thoughtcrime/securesms/loki/activities/RegisterActivity.kt
index a254a42dc1..eaf7e72408 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/RegisterActivity.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/RegisterActivity.kt
@@ -15,8 +15,8 @@ import android.text.style.ClickableSpan
 import android.text.style.StyleSpan
 import android.view.View
 import android.widget.Toast
-import com.goterl.lazycode.lazysodium.LazySodiumJava
-import com.goterl.lazycode.lazysodium.SodiumJava
+import com.goterl.lazycode.lazysodium.LazySodiumAndroid
+import com.goterl.lazycode.lazysodium.SodiumAndroid
 import com.goterl.lazycode.lazysodium.utils.KeyPair
 import kotlinx.android.synthetic.main.activity_register.*
 import network.loki.messenger.R
@@ -36,7 +36,7 @@ import org.whispersystems.libsignal.util.KeyHelper
 import org.whispersystems.signalservice.loki.utilities.hexEncodedPublicKey
 
 class RegisterActivity : BaseActionBarActivity() {
-    private val sodium = LazySodiumJava(SodiumJava())
+    private val sodium = LazySodiumAndroid(SodiumAndroid())
     private var seed: ByteArray? = null
     private var ed25519KeyPair: KeyPair? = null
     private var x25519KeyPair: ECKeyPair? = null