diff --git a/build.gradle b/build.gradle
index 3369e1b4..a85eb207 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,6 +21,7 @@ buildscript {
     ext.material_version = '1.0.0'
     ext.mockito_version = '2.18.3'
     ext.moshi_version = '1.6.0'
+    ext.okhttp3_version = '4.1.0'
     ext.realm_version = '5.8.0'
     ext.realm_adapters_version = '3.1.0'
     ext.rxandroid_version = '2.0.1'
@@ -30,7 +31,6 @@ buildscript {
     ext.rxkotlin_version = '2.1.0'
     ext.rx_preferences_version = '2.0.0-RC3'
     ext.timber_version = '4.5.1'
-    ext.okhttp3_version = '4.1.0'
 
     ext.abiCodes = ['armeabi-v7a': 1, 'arm64-v8a': 2]
 
diff --git a/common/src/main/AndroidManifest.xml b/common/src/main/AndroidManifest.xml
index b9d4a22b..969a751c 100644
--- a/common/src/main/AndroidManifest.xml
+++ b/common/src/main/AndroidManifest.xml
@@ -16,4 +16,4 @@
   ~ You should have received a copy of the GNU General Public License
   ~ along with QKSMS.  If not, see <http://www.gnu.org/licenses/>.
   -->
-<manifest package="com.moez.QKSMS" />
+<manifest package="com.moez.QKSMS.common" />
diff --git a/data/src/main/java/com/moez/QKSMS/manager/ChangelogManagerImpl.kt b/data/src/main/java/com/moez/QKSMS/manager/ChangelogManagerImpl.kt
index 14642017..e5cc336d 100644
--- a/data/src/main/java/com/moez/QKSMS/manager/ChangelogManagerImpl.kt
+++ b/data/src/main/java/com/moez/QKSMS/manager/ChangelogManagerImpl.kt
@@ -56,8 +56,7 @@ class ChangelogManagerImpl @Inject constructor(
 
     override fun getChangelog(): Single<ChangelogManager.Changelog> {
         val url = "https://firestore.googleapis.com/v1/projects/qksms-app/databases/(default)/documents/changelog"
-        val httpUrl = url.toHttpUrlOrNull()
-        val request = httpUrl?.let { Request.Builder().url(it).build() }
+        val request = url.toHttpUrlOrNull()?.let { Request.Builder().url(it).build() }
         val call = request?.let { OkHttpClient().newCall(it) }
         val adapter = moshi.adapter(ChangelogResponse::class.java)
 
diff --git a/gradle.properties b/gradle.properties
index ff2a5cd5..bb91abfe 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,7 +15,6 @@ org.gradle.jvmargs=-Xmx1536m
 org.gradle.caching=true
 android.useAndroidX=true
 android.enableJetifier=true
-android.enableR8=false
 
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
diff --git a/presentation/proguard-rules.pro b/presentation/proguard-rules.pro
index 10ac2a92..c984dc0a 100644
--- a/presentation/proguard-rules.pro
+++ b/presentation/proguard-rules.pro
@@ -15,4 +15,16 @@
 -dontwarn org.python.core.**
 
 # okio
--dontwarn okio.**
\ No newline at end of file
+-dontwarn okio.**
+
+# JSR 305 annotations are for embedding nullability information.
+-dontwarn javax.annotation.**
+
+# A resource is loaded with a relative path so the package of this class must be preserved.
+-keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase
+
+# Animal Sniffer compileOnly dependency to ensure APIs are compatible with older versions of Java.
+-dontwarn org.codehaus.mojo.animal_sniffer.*
+
+# OkHttp platform used only on JVM and when Conscrypt dependency is available.
+-dontwarn okhttp3.internal.platform.ConscryptPlatform