diff --git a/vastlib/consumer-rules.pro b/vastlib/consumer-rules.pro
index 8089094..55e2b9a 100644
--- a/vastlib/consumer-rules.pro
+++ b/vastlib/consumer-rules.pro
@@ -1,3 +1,4 @@
 -repackageclasses 'com.iab.ak'
-#-keep class kotlinx.coroutines.** { *; }
-#-dontwarn kotlinx.coroutines.**
\ No newline at end of file
+-keep class kotlinx.coroutines.** { *; }
+-keep class kotlin.** { *; }
+-dontwarn kotlinx.coroutines.**
\ No newline at end of file
diff --git a/vastlib/proguard-rules.pro b/vastlib/proguard-rules.pro
index fd9693f..0921bda 100644
--- a/vastlib/proguard-rules.pro
+++ b/vastlib/proguard-rules.pro
@@ -37,6 +37,6 @@
 -keepattributes Annotation
 -repackageclasses 'com.iab.ak'
 -keep class com.iab.ak{*;}
-#-keep class kotlinx.coroutines.** { *; }
-#-dontwarn kotlinx.coroutines.**
+-keep class kotlinx.coroutines.** { *; }
+-dontwarn kotlinx.coroutines.**
 -classobfuscationdictionary ../dict.txt
\ No newline at end of file