diff --git a/app/build.gradle b/app/build.gradle
index ba7f71b0..adfd3968 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -88,8 +88,13 @@ android {
             ]
         }
         release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            postprocessing {
+                removeUnusedCode true
+                removeUnusedResources true
+                obfuscate false
+                optimizeCode true
+                proguardFiles 'proguard-rules.pro'
+            }
             signingConfig signingConfigs.testRelease
             manifestPlaceholders = [
                 appIcon: "@mipmap/ic_launcher_2",
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 481bb434..32d35197 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -18,4 +18,7 @@
 
 # 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
+
+-dontwarn org.slf4j.impl.StaticLoggerBinder
+-dontwarn javax.xml.stream.XMLResolver