diff --git a/acacore/__version__.py b/acacore/__version__.py
index 8e10cb4..e94f36f 100644
--- a/acacore/__version__.py
+++ b/acacore/__version__.py
@@ -1 +1 @@
-__version__ = "3.0.4"
+__version__ = "3.0.5"
diff --git a/acacore/models/file.py b/acacore/models/file.py
index bc06af5..fcd3d03 100644
--- a/acacore/models/file.py
+++ b/acacore/models/file.py
@@ -343,11 +343,11 @@ def stem(self) -> str:
 
         :return: File stem.
         """
-        return self.relative_path.name
+        return self.relative_path.stem
 
     @stem.setter
     def stem(self, new_stem: str):
-        self.relative_path = self.relative_path.with_name(new_stem)
+        self.relative_path = self.relative_path.with_stem(new_stem)
 
     @property
     def suffix(self) -> str:
@@ -369,13 +369,13 @@ def suffixes(self) -> str:
 
         :return: All the file extensions as a string.
         """
-        suffixes: str = ""
+        suffixes: list[str] = []
         for suffix in self.relative_path.suffixes[::-1]:
             if is_valid_suffix(suffix):
-                suffixes += suffix
+                suffixes.insert(0, suffix)
             else:
                 break
-        return suffixes
+        return "".join(suffixes)
 
     @suffixes.setter
     def suffixes(self, new_suffixes: str):
diff --git a/pyproject.toml b/pyproject.toml
index f87a0f7..e8d4687 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "acacore"
-version = "3.0.4"
+version = "3.0.5"
 description = ""
 authors = ["Matteo Campinoti <matteo.campinoti94@gmail.com>"]
 license = "GPL-3.0"