diff --git a/.github/workflows/horizon.yml b/.github/workflows/horizon.yml
index affea796ff..86e68c3d85 100644
--- a/.github/workflows/horizon.yml
+++ b/.github/workflows/horizon.yml
@@ -35,7 +35,7 @@ jobs:
       HORIZON_INTEGRATION_TESTS_CAPTIVE_CORE_USE_DB: true
       PROTOCOL_21_CORE_DEBIAN_PKG_VERSION: 21.3.1-2007.4ede19620.focal
       PROTOCOL_21_CORE_DOCKER_IMG: stellar/stellar-core:21.3.1-2007.4ede19620.focal
-      PROTOCOL_21_SOROBAN_RPC_DOCKER_IMG: stellar/soroban-rpc:21.5.0
+      PROTOCOL_21_SOROBAN_RPC_DOCKER_IMG: stellar/soroban-rpc:21.5.1
       PGHOST: localhost
       PGPORT: 5432
       PGUSER: postgres
diff --git a/support/db/dbtest/db.go b/support/db/dbtest/db.go
index 18de073224..42f252b6f8 100644
--- a/support/db/dbtest/db.go
+++ b/support/db/dbtest/db.go
@@ -128,9 +128,11 @@ func checkReadOnly(t testing.TB, DSN string) {
 	if !rows.Next() {
 		_, err = tx.Exec("CREATE ROLE user_ro WITH LOGIN PASSWORD 'user_ro';")
 		if err != nil {
-			// Handle race condition by ignoring the error if it's a duplicate key violation
-			if pqErr, ok := err.(*pq.Error); ok && pqErr.Code == "23505" {
+			// Handle race condition by ignoring the error if it's a duplicate key violation or duplicate object error
+			if pqErr, ok := err.(*pq.Error); ok && (pqErr.Code == "23505" || pqErr.Code == "42710") {
 				return
+			} else if ok {
+				t.Logf("pq error code: %s", pqErr.Code)
 			}
 		}
 		require.NoError(t, err)