diff --git a/app/build.gradle b/app/build.gradle
index fe36219..030fb49 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -154,13 +154,13 @@ dependencies {
     // https://kotlinlang.org/docs/reference/reflection.html
     implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
     // https://firebase.google.com/docs/android/setup#add-sdks
-    api 'com.google.firebase:firebase-common-ktx:19.5.0'
+    api 'com.google.firebase:firebase-common-ktx:19.4.0'
     api 'com.google.firebase:firebase-analytics:18.0.0'
     api 'com.google.firebase:firebase-crashlytics:17.3.0'
-    api 'com.google.firebase:firebase-perf:19.0.11'
+    api 'com.google.firebase:firebase-perf:19.0.10'
     implementation 'com.google.firebase:firebase-auth:20.0.1'
     // http://airbnb.io/lottie/#/android?id=getting-started
-    api 'com.airbnb.android:lottie:3.5.0'
+    api 'com.airbnb.android:lottie:3.6.0'
     // https://firebase.google.com/docs/remote-config/use-config-android
     implementation 'com.google.firebase:firebase-config:20.0.2'
     implementation 'com.google.firebase:firebase-config-ktx:20.0.2'
diff --git a/appintro/src/main/AndroidManifest.xml b/appintro/src/main/AndroidManifest.xml
index fe7cc77..8b3d881 100644
--- a/appintro/src/main/AndroidManifest.xml
+++ b/appintro/src/main/AndroidManifest.xml
@@ -12,17 +12,12 @@
         <dist:fusing dist:include="true" />
     </dist:module>
 
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <application
         tools:ignore="LockedOrientationActivity">
         <activity android:name=".IntroActivity" />
-<!--            android:screenOrientation="portrait"-->
-<!--            android:configChanges="orientation" />-->
         <activity android:name=".timeconfig.TimeConfigActivity" />
-<!--            android:screenOrientation="portrait"-->
-<!--            android:configChanges="orientation" />-->
     </application>
 </manifest>