diff --git a/system-tests/tests/go.mod b/system-tests/tests/go.mod
index f3f72348933..4d49bdf20e7 100644
--- a/system-tests/tests/go.mod
+++ b/system-tests/tests/go.mod
@@ -72,6 +72,7 @@ require (
 	github.com/smartcontractkit/chainlink/system-tests/tests/smoke/cre/evm/logtrigger v0.0.0-00010101000000-000000000000
 	github.com/smartcontractkit/chainlink/system-tests/tests/smoke/cre/evmread v0.0.0-20250917232237-c4ecf802c6f8
 	github.com/smartcontractkit/libocr v0.0.0-20251212213002-0a5e2f907dda
+	github.com/smartcontractkit/quarantine v0.0.0-20250909213106-ece491bef618
 	github.com/stretchr/testify v1.11.1
 	golang.org/x/sync v0.18.0
 	google.golang.org/protobuf v1.36.10
diff --git a/system-tests/tests/smoke/cre/cre_suite_test.go b/system-tests/tests/smoke/cre/cre_suite_test.go
index a6d66cdf096..80888746655 100644
--- a/system-tests/tests/smoke/cre/cre_suite_test.go
+++ b/system-tests/tests/smoke/cre/cre_suite_test.go
@@ -6,6 +6,8 @@ import (
 
 	"github.com/stretchr/testify/require"
 
+	"github.com/smartcontractkit/quarantine"
+
 	t_helpers "github.com/smartcontractkit/chainlink/system-tests/tests/test-helpers"
 )
 
@@ -28,6 +30,7 @@ Inside `core/scripts/cre/environment` directory
  6. Execute the tests in `system-tests/tests/smoke/cre`: `go test -timeout 15m -run "^Test_CRE_V2"`.
 */
 func Test_CRE_V1_Proof_Of_Reserve(t *testing.T) {
+	quarantine.Flaky(t, "DX-1920")
 	testEnv := t_helpers.SetupTestEnvironmentWithConfig(t, t_helpers.GetDefaultTestConfig(t))
 	// WARNING: currently we can't run these tests in parallel, because each test rebuilds environment structs and that includes
 	// logging into CL node with GraphQL API, which allows only 1 session per user at a time.
@@ -87,6 +90,7 @@ To execute tests with v2 contracts start the local CRE first:
  2. Execute the tests in `system-tests/tests/smoke/cre`: `go test -timeout 15m -run "^Test_CRE_V2"`.
 */
 func Test_CRE_V2_Suite(t *testing.T) {
+	quarantine.Flaky(t, "DX-2450")
 	topology := os.Getenv("TOPOLOGY_NAME")
 	t.Run("[v2] Proof Of Reserve - "+topology, func(t *testing.T) {
 		testEnv := t_helpers.SetupTestEnvironmentWithConfig(t, t_helpers.GetDefaultTestConfig(t), v2RegistriesFlags...)
@@ -149,6 +153,7 @@ func Test_CRE_V2_EVM_Suite(t *testing.T) {
 }
 
 func Test_CRE_V2_HTTP_Action_Suite(t *testing.T) {
+	quarantine.Flaky(t, "DX-2276")
 	testEnv := t_helpers.SetupTestEnvironmentWithConfig(t, t_helpers.GetDefaultTestConfig(t), v2RegistriesFlags...)
 
 	ExecuteHTTPActionCRUDSuccessTest(t, testEnv)