diff --git a/libraries/reflect/build.gradle.kts b/libraries/reflect/build.gradle.kts
index bc2809f21fe..db2b6127d15 100644
--- a/libraries/reflect/build.gradle.kts
+++ b/libraries/reflect/build.gradle.kts
@@ -143,7 +143,7 @@ val proguard by task<ProGuardTask> {
     outputs.file(proguardOutput)
 
     injars(mapOf("filter" to "!META-INF/versions/**"), stripMetadata.outputs.files)
-    injars(mapOf("filter" to "!META-INF/**"), proguardAdditionalInJars)
+    injars(mapOf("filter" to "!META-INF/**,!**/*.kotlin_builtins"), proguardAdditionalInJars)
     outjars(proguardOutput)
 
     libraryjars(mapOf("filter" to "!META-INF/versions/**"), proguardDeps)