diff --git a/jweb/content.py b/jweb/content.py
index 4bcb1b3..8b3b71e 100644
--- a/jweb/content.py
+++ b/jweb/content.py
@@ -1,9 +1,11 @@
 from pathlib import Path
-from typing import Any, Iterator
+from typing import Any, Generic, Iterator, TypeVar
+
+TData = TypeVar("TData")
 
 
-class Content:
-    def __init__(self, path: Path, data: Any, language: str | None = None) -> None:
+class Content(Generic[TData]):
+    def __init__(self, path: Path, data: TData, language: str | None = None) -> None:
         self.__path = path
         self.__data = data
         self.__language = language
@@ -17,14 +19,14 @@ class Content:
         return self.__language
 
     @property
-    def data(self) -> Any:
+    def data(self) -> TData:
         return self.__data
 
     def __str__(self) -> str:
         return str(self.__data)
 
 
-class ContentField(Content):
+class ContentField(Content[Any]):
     def __getitem__(self, key: Any) -> Any:
         return ContentField(self.path, self.data.get(key), self.language)
 
diff --git a/jweb/context.py b/jweb/context.py
index 91b418c..6c8fe6a 100644
--- a/jweb/context.py
+++ b/jweb/context.py
@@ -70,7 +70,7 @@ class Context:
             self.__render(source, self.__output_directory / output, **context)
 
     @pass_context
-    def __load(self, context: JinjaContext, path: str | Path) -> Content:
+    def __load(self, context: JinjaContext, path: str | Path) -> Content[str]:
         current_language = self.current_language
         if current_language:
             localized_path = self.__content_directory / current_language / path
@@ -85,7 +85,7 @@ class Context:
     @pass_context
     def __glob(
         self, context: JinjaContext, pattern: str, include_base_language: bool = False
-    ) -> Iterator[Content]:
+    ) -> Iterator[Content[str]]:
         roots: list[Path] = []
         current_language = self.current_language
         if current_language is None:
@@ -102,7 +102,7 @@ class Context:
         for path in paths:
             yield self.__load(context, path)
 
-    def __write(self, content: Content) -> Path:
+    def __write(self, content: Content[str]) -> Path:
         relative_path = content.path.relative_to(self.__content_directory)
         output_path = self.__output_directory / relative_path
         output_path.parent.mkdir(parents=True, exist_ok=True)
diff --git a/jweb/extensions/git.py b/jweb/extensions/git.py
index f8ca5ba..ddf623d 100644
--- a/jweb/extensions/git.py
+++ b/jweb/extensions/git.py
@@ -1,7 +1,7 @@
 from datetime import datetime
 from subprocess import check_output
+from typing import Any
 
-from jweb.content import Content
 from jweb.context import Context
 
 
@@ -9,7 +9,7 @@ def load_extension(context: Context) -> None:
     context.add_filters(git_creation_date=_git_creation_date)
 
 
-def _git_creation_date(content: Content) -> datetime:
+def _git_creation_date(content: Any) -> datetime:
     git_dir = check_output(["git", "rev-parse", "--show-toplevel"], encoding="utf-8")
     git_dir = git_dir.strip()
     log = check_output(
diff --git a/jweb/extensions/markdown.py b/jweb/extensions/markdown.py
index 952df31..93171b3 100644
--- a/jweb/extensions/markdown.py
+++ b/jweb/extensions/markdown.py
@@ -11,7 +11,7 @@ def load_extension(context: Context) -> None:
 
 
 class _MarkdownDocument:
-    def __init__(self, content: Content) -> None:
+    def __init__(self, content: Content[Any]) -> None:
         if not isinstance(content, Content) or not isinstance(content.data, (str, bytes)):
             raise ValueError("markdown filter can only accept byte or string content")
 
diff --git a/jweb/git.py b/jweb/git.py
index c3a2cc3..ef6f791 100644
--- a/jweb/git.py
+++ b/jweb/git.py
@@ -1,10 +1,9 @@
 from datetime import datetime
 from subprocess import check_output
-
-from jweb.content import Content
+from typing import Any
 
 
-def git_creation_date(content: Content) -> datetime:
+def git_creation_date(content: Any) -> datetime:
     git_dir = check_output(["git", "rev-parse", "--show-toplevel"], encoding="utf-8")
     git_dir = git_dir.strip()
     log = check_output(
diff --git a/tests/test_context/locale/fr/LC_MESSAGES/tests.po b/tests/test_context/locale/fr/LC_MESSAGES/tests.po
index b5e464d..8af53fc 100644
--- a/tests/test_context/locale/fr/LC_MESSAGES/tests.po
+++ b/tests/test_context/locale/fr/LC_MESSAGES/tests.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2024-05-21 23:12+0200\n"
+"POT-Creation-Date: 2024-05-21 23:32+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: fr\n"