diff --git a/build-tools-internal/src/main/groovy/elasticsearch.bc-upgrade-test.gradle b/build-tools-internal/src/main/groovy/elasticsearch.bc-upgrade-test.gradle
index 94702c840c745..70c2c63eadbab 100644
--- a/build-tools-internal/src/main/groovy/elasticsearch.bc-upgrade-test.gradle
+++ b/build-tools-internal/src/main/groovy/elasticsearch.bc-upgrade-test.gradle
@@ -15,4 +15,11 @@ tasks.register("bcUpgradeTest", StandaloneRestIntegTestTask) {
   usesBwcDistribution(Version.fromString("0.0.0"))
   systemProperty("tests.old_cluster_version", "0.0.0")
   onlyIf("tests.bwc.main.version system property exists") { System.getProperty("tests.bwc.main.version") != null }
+  filter {
+    // Mute problematic tests
+    excludeTestsMatching("org.elasticsearch.upgrades.FullClusterRestartIT.testSnapshotRestore")
+    excludeTestsMatching("org.elasticsearch.upgrades.FullClusterRestartIT.testSnapshotRestore *")
+    excludeTestsMatching("org.elasticsearch.xpack.restart.CoreFullClusterRestartIT.testSnapshotRestore")
+    excludeTestsMatching("org.elasticsearch.xpack.restart.CoreFullClusterRestartIT.testSnapshotRestore *")
+  }
 }
diff --git a/server/src/main/java/org/elasticsearch/index/IndexVersions.java b/server/src/main/java/org/elasticsearch/index/IndexVersions.java
index 3b4c7e633efb8..e9d23ed157c10 100644
--- a/server/src/main/java/org/elasticsearch/index/IndexVersions.java
+++ b/server/src/main/java/org/elasticsearch/index/IndexVersions.java
@@ -173,6 +173,7 @@ private static Version parseUnchecked(String version) {
     public static final IndexVersion SEQ_NO_WITHOUT_POINTS = def(9_027_0_00, Version.LUCENE_10_2_1);
     public static final IndexVersion INDEX_INT_SORT_INT_TYPE = def(9_028_0_00, Version.LUCENE_10_2_1);
     public static final IndexVersion MAPPER_TEXT_MATCH_ONLY_MULTI_FIELDS_DEFAULT_NOT_STORED = def(9_029_0_00, Version.LUCENE_10_2_1);
+    public static final IndexVersion TEST_INDEX_VERSION_DO_NOT_MERGE = def(9_030_0_00, Version.LUCENE_10_2_1);
 
     /*
      * STOP! READ THIS FIRST! No, really,