diff --git a/integrationservertest/logs_filters.go b/integrationservertest/logs_filters.go
index c14e9ac8176..f58bfc1ac71 100644
--- a/integrationservertest/logs_filters.go
+++ b/integrationservertest/logs_filters.go
@@ -75,6 +75,11 @@ var (
 			"message": {Query: "failed to populate sourcemap metadata: fetcher unavailable: 403 Forbidden:"},
 		},
 	})
+	syncSourcemapFetcher403 = apmErrorLog(types.Query{
+		MatchPhrasePrefix: map[string]types.MatchPhrasePrefixQuery{
+			"message": {Query: "failed to sync sourcemaps metadata: fetcher unavailable: 403 Forbidden:"},
+		},
+	})
 
 	refreshCache403 = apmErrorLog(types.Query{
 		MatchPhrase: map[string]types.MatchPhraseQuery{
diff --git a/integrationservertest/standalone_test.go b/integrationservertest/standalone_test.go
index 75ed002a0ff..72655bf6a56 100644
--- a/integrationservertest/standalone_test.go
+++ b/integrationservertest/standalone_test.go
@@ -164,6 +164,7 @@ func managed7Runner(fromVersion7, toVersion8, toVersion9 ech.Version, config upg
 					waitServerReadyCtxCanceled,
 					grpcServerStopped,
 					populateSourcemapFetcher403,
+					syncSourcemapFetcher403,
 				},
 			},
 		},
@@ -221,6 +222,7 @@ func managed8Runner(fromVersion7, toVersion8, toVersion9 ech.Version, config upg
 					refreshCacheCtxDeadline,
 					refreshCacheESConfigInvalid,
 					populateSourcemapFetcher403,
+					syncSourcemapFetcher403,
 				},
 			},
 		},
@@ -266,6 +268,7 @@ func managed9Runner(fromVersion7, toVersion8, toVersion9 ech.Version, config upg
 					refreshCacheCtxDeadline,
 					refreshCacheESConfigInvalid,
 					populateSourcemapFetcher403,
+					syncSourcemapFetcher403,
 				},
 			},
 		},
diff --git a/integrationservertest/upgrade_test.go b/integrationservertest/upgrade_test.go
index fae75cc3b59..86bb7574c04 100644
--- a/integrationservertest/upgrade_test.go
+++ b/integrationservertest/upgrade_test.go
@@ -164,13 +164,15 @@ func buildTestSteps(t *testing.T, versions ech.Versions, config upgradeTestConfi
 		APMErrorLogsIgnored: apmErrorLogs{
 			tlsHandshakeError,
 			esReturnedUnknown503,
+			refreshCache403,
 			refreshCache503,
 			refreshCacheCtxCanceled,
 			refreshCacheCtxDeadline,
 			refreshCacheESConfigInvalid,
 			preconditionFailed,
-			populateSourcemapFetcher403,
 			populateSourcemapServerShuttingDown,
+			populateSourcemapFetcher403,
+			syncSourcemapFetcher403,
 			initialSearchQueryContextCanceled,
 			scrollSearchQueryContextCanceled,
 		},