diff --git a/src/common/transformations/tests/common_optimizations/group_normalization_fusion_tests.cpp b/src/common/transformations/tests/common_optimizations/group_normalization_fusion_tests.cpp
index fa760fa7f39a64..cbf43eade7013a 100644
--- a/src/common/transformations/tests/common_optimizations/group_normalization_fusion_tests.cpp
+++ b/src/common/transformations/tests/common_optimizations/group_normalization_fusion_tests.cpp
@@ -16,7 +16,7 @@ using GroupNormalizationFusionSubgraphTestValues =
                Shape,               // shape of optional instance norm beta tensor (or empty shape if not used)
                Shape,               // shape of group norm gamma tensor
                Shape,               // shape of group norm beta tensor
-               unsigned long long,  // number of groups
+               size_t,              // number of groups
                float,               // epsilon
                bool>;               // whether it's a positive test that should run reference model or a negative test
 
diff --git a/src/tests/functional/shared_test_classes/include/shared_test_classes/subgraph/group_normalization_fusion.hpp b/src/tests/functional/shared_test_classes/include/shared_test_classes/subgraph/group_normalization_fusion.hpp
index bf017b129a388e..280da83058ce0d 100644
--- a/src/tests/functional/shared_test_classes/include/shared_test_classes/subgraph/group_normalization_fusion.hpp
+++ b/src/tests/functional/shared_test_classes/include/shared_test_classes/subgraph/group_normalization_fusion.hpp
@@ -22,7 +22,7 @@ using GroupNormalizationFusionTestBaseValues =
                Shape,               // shape of optional instance norm beta tensor (or empty shape if not used)
                Shape,               // shape of group norm gamma tensor
                Shape,               // shape of group norm beta tensor
-               unsigned long long,  // number of groups
+               size_t,              // number of groups
                float>;              // epsilon
 
 using GroupNormalizationFusionTransformationsTestValues =
@@ -31,7 +31,7 @@ using GroupNormalizationFusionTransformationsTestValues =
                Shape,               // shape of optional instance norm beta tensor (or empty shape if not used)
                Shape,               // shape of group norm gamma tensor
                Shape,               // shape of group norm beta tensor
-               unsigned long long,  // number of groups
+               size_t,              // number of groups
                float,               // epsilon
                bool,                // whether it's a positive test that should run reference model or a negative test
                std::string,         // taget device name