diff --git a/muted-tests.yml b/muted-tests.yml
index fe6c77bdf9f93..cdf3007ee0027 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -304,6 +304,9 @@ tests:
   issue: https://github.com/elastic/elasticsearch/issues/118806
 - class: org.elasticsearch.xpack.esql.session.IndexResolverFieldNamesTests
   issue: https://github.com/elastic/elasticsearch/issues/118814
+- class: org.elasticsearch.index.engine.RecoverySourcePruneMergePolicyTests
+  method: testPruneSome
+  issue: https://github.com/elastic/elasticsearch/issues/118728
 
 # Examples:
 #