diff --git a/app/build.gradle b/app/build.gradle
index 6623d726..148ab150 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -27,9 +27,8 @@ android {
     }
     buildTypes {
         release {
-            // proguard makes some functionalities fail so It's disabled until I find the problem source
-            minifyEnabled false
-            shrinkResources false
+            minifyEnabled true
+            shrinkResources true
 
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index c4df3434..2d14dda3 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -23,3 +23,10 @@
 -dontwarn org.xmlpull.v1.XmlPullParser
 -dontwarn org.xmlpull.v1.XmlSerializer
 -keep class org.xmlpull.v1.* {*;}
+
+-keep class org.simpleframework.xml.** { *; }
+
+-keep class com.readrops.readropslibrary.services.freshrss.json.** { *; }
+-keep class com.readrops.readropslibrary.services.nextcloudnews.json.** { *; }
+
+-keep class com.readrops.readropslibrary.localfeed.** { *; }
\ No newline at end of file
diff --git a/readropslibrary/build.gradle b/readropslibrary/build.gradle
index 96cae7e2..36043c7b 100644
--- a/readropslibrary/build.gradle
+++ b/readropslibrary/build.gradle
@@ -8,14 +8,17 @@ android {
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 1
-        versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
         release {
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+
+        debug {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }