diff --git a/pycasestyle/camelcase.py b/pycasestyle/camelcase.py
index d1c9920..461cce3 100644
--- a/pycasestyle/camelcase.py
+++ b/pycasestyle/camelcase.py
@@ -39,5 +39,7 @@ def from_dict(self, __dict: dict) -> dict:
         camel_case_dict = {}
         for key, value in __dict.items():
             camel_case_key = self.from_string(key)
+            if isinstance(value, dict):
+                value = self.from_dict(value)
             camel_case_dict[camel_case_key] = value
         return camel_case_dict
diff --git a/pycasestyle/kebabcase.py b/pycasestyle/kebabcase.py
index cd98248..867c2a9 100644
--- a/pycasestyle/kebabcase.py
+++ b/pycasestyle/kebabcase.py
@@ -38,5 +38,7 @@ def from_dict(self, __dict: dict) -> dict:
         kebab_case_dict = {}
         for key, value in __dict.items():
             kebab_case_key = self.from_string(key)
+            if isinstance(value, dict):
+                value = self.from_dict(value)
             kebab_case_dict[kebab_case_key] = value
         return kebab_case_dict
diff --git a/pycasestyle/pascalcase.py b/pycasestyle/pascalcase.py
index 65e95a3..6b834b9 100644
--- a/pycasestyle/pascalcase.py
+++ b/pycasestyle/pascalcase.py
@@ -39,5 +39,7 @@ def from_dict(self, __dict: dict) -> dict:
         pascal_case_dict = {}
         for key, value in __dict.items():
             pascal_case_key = self.from_string(key)
+            if isinstance(value, dict):
+                value = self.from_dict(value)
             pascal_case_dict[pascal_case_key] = value
         return pascal_case_dict
diff --git a/pycasestyle/snakecase.py b/pycasestyle/snakecase.py
index 701536f..c4b4492 100644
--- a/pycasestyle/snakecase.py
+++ b/pycasestyle/snakecase.py
@@ -38,5 +38,7 @@ def from_dict(self, __dict: dict) -> dict:
         snake_case_dict = {}
         for key, value in __dict.items():
             snake_case_key = self.from_string(key)
+            if isinstance(value, dict):
+                value = self.from_dict(value)
             snake_case_dict[snake_case_key] = value
         return snake_case_dict