diff --git a/app/build.gradle b/app/build.gradle
index 02d409e0..d5bb3a07 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -19,8 +19,8 @@ android {
         applicationId "xyz.quaver.pupil"
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 47
-        versionName "4.11"
+        versionCode 48
+        versionName "4.12"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
         vectorDrawables.useSupportLibrary = true
@@ -66,7 +66,7 @@ dependencies {
     implementation 'androidx.preference:preference:1.1.0'
     implementation 'androidx.gridlayout:gridlayout:1.0.0'
     implementation "androidx.biometric:biometric:1.0.1"
-    implementation 'com.android.support:multidex:1.0.3'
+    implementation 'androidx.multidex:multidex:2.0.1'
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"
     implementation 'com.google.android.material:material:1.2.0-alpha05'
     implementation 'com.google.firebase:firebase-core:17.2.2'
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 5a516874..efbc5792 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -23,8 +23,13 @@
 -dontobfuscate
 
 -keep public class * implements com.bumptech.glide.module.GlideModule
--keep public class * extends com.bumptech.glide.module.AppGlideModule
+-keep class * extends com.bumptech.glide.module.AppGlideModule {
+ <init>(...);
+}
 -keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
   **[] $VALUES;
   public *;
+}
+-keep class com.bumptech.glide.load.data.ParcelFileDescriptorRewinder$InternalRewinder {
+  *** rewind();
 }
\ No newline at end of file
diff --git a/app/release/output.json b/app/release/output.json
index 7719b454..96e20465 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":47,"versionName":"4.11","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release","dirName":""},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
+[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":48,"versionName":"4.12","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release","dirName":""},"path":"app-release.apk","properties":{}}]
\ No newline at end of file