diff --git a/test/conftest.py b/test/conftest.py
index 9b91944..22ba2ac 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -6,7 +6,7 @@
 
 @pytest.fixture
 def models_generator():
-    return MetadataGenerator()
+    return MetadataGenerator(dict_keys_regex=[r"^test_dict_field_\w+$"], dict_keys_fields=["dict_field"])
 
 
 @pytest.fixture
diff --git a/test/test_code_generation/test_attrs_generation.py b/test/test_code_generation/test_attrs_generation.py
index f378698..4e9f484 100644
--- a/test/test_code_generation/test_attrs_generation.py
+++ b/test/test_code_generation/test_attrs_generation.py
@@ -2,7 +2,7 @@
 
 import pytest
 
-from json_to_models.dynamic_typing import (DList, DOptional, FloatString, IntString, ModelMeta, compile_imports)
+from json_to_models.dynamic_typing import (DDict, DList, DOptional, FloatString, IntString, ModelMeta, compile_imports)
 from json_to_models.models import sort_fields
 from json_to_models.models.attr import AttrsModelCodeGenerator, METADATA_FIELD_NAME, sort_kwargs
 from json_to_models.models.base import generate_code
@@ -87,7 +87,8 @@ class Test:
             "baz": DOptional(DList(DList(str))),
             "bar": DOptional(IntString),
             "qwerty": FloatString,
-            "asdfg": DOptional(int)
+            "asdfg": DOptional(int),
+            "dict": DDict(int)
         }),
         "fields_data": {
             "foo": {
@@ -114,19 +115,25 @@ class Test:
                 "name": "asdfg",
                 "type": "Optional[int]",
                 "body": f"attr.ib(default=None, {field_meta('asdfg')})"
+            },
+            "dict": {
+                "name": "dict",
+                "type": "Dict[str, int]",
+                "body": f"attr.ib({field_meta('dict')})"
             }
         },
         "generated": trim(f"""
         import attr
         from attr.converter import optional
         from json_to_models.dynamic_typing import FloatString, IntString
-        from typing import List, Optional
+        from typing import Dict, List, Optional
 
 
         @attr.s
         class Test:
             foo: int = attr.ib({field_meta('foo')})
             qwerty: FloatString = attr.ib(converter=FloatString, {field_meta('qwerty')})
+            dict: Dict[str, int] = attr.ib({field_meta('dict')})
             baz: Optional[List[List[str]]] = attr.ib(factory=list, {field_meta('baz')})
             bar: Optional[IntString] = attr.ib(default=None, converter=optional(IntString), {field_meta('bar')})
             asdfg: Optional[int] = attr.ib(default=None, {field_meta('asdfg')})
diff --git a/test/test_generator/test_detect_type.py b/test/test_generator/test_detect_type.py
index 8d508ee..f847e20 100644
--- a/test/test_generator/test_detect_type.py
+++ b/test/test_generator/test_detect_type.py
@@ -1,6 +1,6 @@
 import pytest
 
-from json_to_models.dynamic_typing import BooleanString, DList, DUnion, FloatString, IntString, NoneType, Unknown
+from json_to_models.dynamic_typing import BooleanString, DDict, DList, DUnion, FloatString, IntString, NoneType, Unknown
 from json_to_models.generator import MetadataGenerator
 
 # JSON data | MetaData
@@ -17,6 +17,7 @@
     pytest.param("1", IntString, id="int_str"),
     pytest.param("1.0", FloatString, id="float_str"),
     pytest.param("true", BooleanString, id="bool_str"),
+    pytest.param({"test_dict_field_a": 1, "test_dict_field_b": "a"}, DDict(DUnion(int, str)), id="dict")
 ]
 
 test_dict = {param.id: param.values[0] for param in test_data}
@@ -34,3 +35,23 @@
 @pytest.mark.parametrize("value,expected", test_data)
 def test_detect_type(models_generator: MetadataGenerator, value, expected):
     assert models_generator._detect_type(value) == expected
+
+
+def test_convert(models_generator: MetadataGenerator):
+    data = {
+        "dict_field": {},
+        "another_dict_field": {"test_dict_field_a": 1, "test_dict_field_b": "a"},
+        "another_dict_field_2": {"test_dict_field_a": 1},
+        "another_dict_field_3": {"test_dict_field_a": 1, "test_dict_field_b": 2},
+        "int_field": 1,
+        "not": False
+    }
+    meta = models_generator._convert(data)
+    assert meta == {
+        "dict_field": DDict(Unknown),
+        "another_dict_field": DDict(DUnion(int, str)),
+        "another_dict_field_2": DDict(int),
+        "another_dict_field_3": DDict(int),
+        "int_field": int,
+        "not_": bool
+    }