diff --git a/prepare/compiler/compiler.pro b/prepare/compiler/compiler.pro
index 2bf9bd5389c..69d3ea203ce 100644
--- a/prepare/compiler/compiler.pro
+++ b/prepare/compiler/compiler.pro
@@ -243,6 +243,11 @@
 
 -keep class com.intellij.openapi.vfs.impl.jar.CoreJarFileSystem { *; }
 
+# For Anvil https://youtrack.jetbrains.com/issue/KT-42103
+-keepclassmembers class com.intellij.openapi.extensions.impl.ExtensionPointImpl {
+    public void registerExtension(...);
+}
+
 # Serialization plugin
 
 -keep class com.intellij.openapi.util.io.JarUtil {