diff --git a/benchmark/benchmark-junit4/proguard-rules.pro b/benchmark/benchmark-junit4/proguard-rules.pro
index 544c831..621d897 100644
--- a/benchmark/benchmark-junit4/proguard-rules.pro
+++ b/benchmark/benchmark-junit4/proguard-rules.pro
@@ -18,6 +18,7 @@
 
 ## needed for listeners instantiated by reflection (e.g. InstrumentationResultsRunListener)
 -keepclasseswithmembers class * extends androidx.test.internal.runner.listener.InstrumentationRunListener { *; }
+-keepclasseswithmembers class * extends org.junit.runner.notification.RunListener { *; }
 
 ## Needed due to b/328649293 - shouldn't be needed since they're ref'd by manifest
 ## May need to leave these in place long term to account for old gradle versions