diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 24b32b7c86..0e75c5e727 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -22,7 +22,7 @@ android {
         applicationId = "xyz.jmir.tachiyomi.mi"
 
         versionCode = 124
-        versionName = "0.16.4.1"
+        versionName = "0.16.4.2"
 
         buildConfigField("String", "COMMIT_COUNT", "\"${getCommitCount()}\"")
         buildConfigField("String", "COMMIT_SHA", "\"${getGitSha()}\"")
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index c8b2f874dd..93dcb7b1ed 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -1,4 +1,5 @@
 -dontobfuscate
+-dontoptimize
 
 -keep,allowoptimization class eu.kanade.**
 -keep,allowoptimization class tachiyomi.**
@@ -8,7 +9,7 @@
 -keep,allowoptimization class android.content.** { *; }
 -keep,allowoptimization class uy.kohesive.injekt.** { public protected *; }
 -keep,allowoptimization class android.test.base.** { *; }
--keep class kotlin.** { public protected *; }
+-keep,allowoptimization class kotlin.** { public protected *; }
 -keep,allowoptimization class kotlinx.coroutines.** { public protected *; }
 -keep,allowoptimization class kotlinx.serialization.** { public protected *; }
 -keep,allowoptimization class okhttp3.** { public protected *; }