diff --git a/src/common/snippets/tests/src/pass/mha_tokenization.cpp b/src/common/snippets/tests/src/pass/mha_tokenization.cpp
index c5932ed690d670..382257f935cc49 100644
--- a/src/common/snippets/tests/src/pass/mha_tokenization.cpp
+++ b/src/common/snippets/tests/src/pass/mha_tokenization.cpp
@@ -204,7 +204,7 @@ TEST_F(TokenizeMHASnippetsTests, smoke_Snippets_MHA4D_SplitM_withMul) {
 TEST_F(TokenizeMHASnippetsTests, smoke_Snippets_MHAWOTranspose_SplitM) {
     const auto& f = MHAWOTransposeSplitMFunction(std::vector<PartialShape>{{10, 9216, 128}, {10, 128, 9216}, {10, 9216, 128}},
                                                  std::vector<ov::element::Type>({ov::element::f32, ov::element::f32, ov::element::f32}),
-                                                 std::vector<Shape>{{10, 3, 3072, 128}, {10, 1, 128, 9216}, {10, 1, 9216, 128}, {10, 9216, 128}});
+                                                 std::vector<Shape>{{10, 18, 512, 128}, {10, 1, 128, 9216}, {10, 1, 9216, 128}, {10, 9216, 128}});
     model = f.getOriginal();
     model_ref = f.getReference();
     config.set_concurrency(18);
diff --git a/src/common/snippets/tests/src/utils/split_dim_m.cpp b/src/common/snippets/tests/src/utils/split_dim_m.cpp
index 69a04da6f1263f..9e801fceae02e9 100644
--- a/src/common/snippets/tests/src/utils/split_dim_m.cpp
+++ b/src/common/snippets/tests/src/utils/split_dim_m.cpp
@@ -58,6 +58,7 @@ const std::vector<SplitDimensionMParams> split_dimension_cases = {
     {InputData{15, 45, 40}, ReferenceData{true, 5, 9}},
     {InputData{25, 50, 40}, ReferenceData{true, 2, 25}},
     {InputData{5, 16384, 40}, ReferenceData{true, 8, 2048}},
+    {InputData{5, 16384, 32}, ReferenceData{true, 32, 512}},
 };
 
 INSTANTIATE_TEST_SUITE_P(smoke_Snippets_SplitDimensionM,