diff --git a/muted-tests.yml b/muted-tests.yml
index e439759d75da..734342cf896d 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -125,6 +125,8 @@ tests:
 - class: org.elasticsearch.tdigest.ComparisonTests
   method: testSparseGaussianDistribution
   issue: https://github.com/elastic/elasticsearch/issues/111721
+- class: org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT
+  issue: https://github.com/elastic/elasticsearch/issues/111765
 
 # Examples:
 #