diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 473a31a9b..21f2ee22c 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -12,6 +12,7 @@
 -keep,allowoptimization class kotlinx.coroutines.** { public protected *; }
 -keep,allowoptimization class kotlinx.serialization.** { public protected *; }
 -keep,allowoptimization class kotlin.time.** { public protected *; }
+-keep class kotlin.text.** { public protected *; }
 -keep,allowoptimization class okhttp3.** { public protected *; }
 -keep,allowoptimization class okio.** { public protected *; }
 -keep,allowoptimization class org.jsoup.** { public protected *; }