diff --git a/tests/mute-common.csv b/tests/mute-common.csv
index 1ec2c27cf18..e793648f8f8 100644
--- a/tests/mute-common.csv
+++ b/tests/mute-common.csv
@@ -67,4 +67,5 @@ org.jetbrains.kotlin.nj2k.NewJavaToKotlinConverterMultiFileTestGenerated.testNul
 org.jetbrains.kotlin.checkers.JavaAgainstKotlinBinariesCheckerTestGenerated.testJvmOverloadsFunctions,,, FLAKY
 org.jetbrains.kotlin.checkers.JavaAgainstKotlinBinariesCheckerTestGenerated.testReturnInnerClasses,,, FLAKY
 org.jetbrains.kotlin.checkers.JavaAgainstKotlinBinariesCheckerTestGenerated.testThrowsOnGenericMethod,,, FLAKY
-org.jetbrains.kotlin.idea.debugger.test.ContinuationStackTraceTestGenerated.testSuspendFunWithInner,,, FLAKY
\ No newline at end of file
+org.jetbrains.kotlin.idea.debugger.test.ContinuationStackTraceTestGenerated.testSuspendFunWithInner,,, FLAKY
+org.jetbrains.kotlin.gradle.SubpluginsIT.testKotlinVersionDowngradeInSupbrojectKt39809,,, FLAKY
\ No newline at end of file