diff --git a/README.md b/README.md
index 769f372..72c79c8 100644
--- a/README.md
+++ b/README.md
@@ -100,11 +100,12 @@ template: /the/path/of/template.j2
 ```
 ````
 
-`title` can contains `{title}`, which will be converted to the base name of
-requirement file. Such as `requirements/dev.txt` will be converted to `dev`.
-`template` is a jinja2 file. See [jinja2 syntax](https://docs.jinkan.org/docs/jinja2/templates.html)
-and
-[examples](https://github.com/sphinx-contrib/requirements-txt/blob/main/src/sphinxcontrib/requirements_txt/assets/jinja2).
+- `/the/path/of/requirements.txt` can be a glob expression.
+- `title` can contain `{title}`, which will be converted to the base name of
+  requirement file. Such as `requirements/dev.txt` will be converted to `dev`.
+- `template` is a jinja2 file. See [jinja2 syntax](https://docs.jinkan.org/docs/jinja2/templates.html)
+  and
+  [examples](https://github.com/sphinx-contrib/requirements-txt/blob/main/src/sphinxcontrib/requirements_txt/assets/jinja2).
 
 See
 [![readthedocs](https://shields.io/readthedocs/sphinxcontrib-requirements-txt)](https://sphinxcontrib-requirements-txt.readthedocs.io)
diff --git a/docs/resources/requirements.md b/docs/resources/requirements.md
index 72a6b46..1a5d436 100644
--- a/docs/resources/requirements.md
+++ b/docs/resources/requirements.md
@@ -2,5 +2,11 @@
 
 ```{requirements} ../../requirements.txt
 ---
+title: Mandatory Requirements
+---
+```
+
+```{requirements} ../../requirements/*.txt
+---
 ---
 ```
diff --git a/requirements.txt b/requirements.txt
index 353ada6..d280a7d 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 #!/usr/bin/env -S pip install -r
 
-# Support MyST
+# Support MyST.
 myst-parser
 sphinx
diff --git a/src/sphinxcontrib/requirements_txt/__init__.py b/src/sphinxcontrib/requirements_txt/__init__.py
index 2f45d79..fcf7387 100644
--- a/src/sphinxcontrib/requirements_txt/__init__.py
+++ b/src/sphinxcontrib/requirements_txt/__init__.py
@@ -15,6 +15,6 @@ def setup(app: Sphinx) -> None:
     :rtype: None
     """
     app.add_config_value(
-        name="requirements_format", default="{title}", rebuild="env"
+        name="requirements_title", default="{title}", rebuild="env"
     )
     app.add_directive(name="requirements", cls=RequirementsDirective)
diff --git a/src/sphinxcontrib/requirements_txt/directive.py b/src/sphinxcontrib/requirements_txt/directive.py
index 27392e4..0db7d25 100644
--- a/src/sphinxcontrib/requirements_txt/directive.py
+++ b/src/sphinxcontrib/requirements_txt/directive.py
@@ -3,6 +3,7 @@
 """
 import os
 import re
+from glob import glob
 
 from docutils import nodes
 from docutils.nodes import Node
@@ -25,9 +26,9 @@ def parse(file: str) -> list[str]:
     :type file: str
     :rtype: list[str]
     """
+    items = []
     with open(file) as f:
         lines = f.readlines()
-    items = []
     for line in lines:
         if line.startswith("#!"):
             continue
@@ -59,14 +60,17 @@ class RequirementsDirective(SphinxDirective):
     r"""Requirementsdirective."""
 
     has_content = True
+    optional_arguments = 0
+    option_spec = {
+        "title": str,
+        "template": str,
+    }
 
     def run(self) -> list[Node]:
         r"""Run.
 
         :rtype: list[Node]
         """
-        content = self.content[0]
-        fmt = self.options.get("format", self.config["requirements_format"])
         template = self.options.get("template")
         if isinstance(self.state._renderer, SphinxRenderer):
             template_ext = "md"
@@ -78,16 +82,26 @@ def run(self) -> list[Node]:
             )
         with open(template) as f:
             template_text = f.read()
-        title = os.path.basename(content).split(os.path.extsep)[0]
-        if fmt.find("{title}") >= 0:
-            title = fmt.format(title=title)
-        else:
-            title = fmt
+
+        content = self.content[0]
         path = self.content.items[0][0]
-        items = parse(os.path.join(os.path.dirname(path), content))
-        new_content = Template(template_text).render(title=title, items=items)
-        new_content = StringList(new_content.splitlines(), source="")
+        file = os.path.join(os.path.dirname(path), content)
+        fmt = self.options.get("title", self.config["requirements_title"])
+        new_contents = []
+        for filename in glob(file):
+            title = os.path.basename(filename).split(os.path.extsep)[0]
+            if fmt.find("{title}") >= 0:
+                title = fmt.format(title=title)
+            else:
+                title = fmt
+            items = parse(filename)
+            new_content = Template(template_text).render(
+                title=title, items=items
+            )
+            new_contents += [new_content]
+        final_content = "\n\n".join(new_contents)
+        string_list = StringList(final_content.splitlines(), source="")
         node = nodes.Element()
-        nested_parse_with_titles(self.state, new_content, node)
+        nested_parse_with_titles(self.state, string_list, node)
 
         return node.children