diff --git a/pyproject.toml b/pyproject.toml
index 104c09a..8303eb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "python-design-patterns"
-version = "0.1.0"
+version = "1.0.0"
 description = "Design patterns in Python: naive, pythonic, and real-world examples, with an MCP server for agents."
 readme = "README.md"
 license = { file = "LICENSE" }
@@ -44,7 +44,7 @@ requires = ["hatchling"]
 build-backend = "hatchling.build"
 
 [tool.hatch.build.targets.wheel]
-packages = ["src/design_patterns", "src/design_patterns_mcp"]
+packages = ["src/design_patterns", "src/design_patterns_mcp", "patterns"]
 
 [tool.ruff]
 line-length = 100
diff --git a/src/design_patterns/__init__.py b/src/design_patterns/__init__.py
index e313c59..38cee3d 100644
--- a/src/design_patterns/__init__.py
+++ b/src/design_patterns/__init__.py
@@ -1,3 +1,3 @@
 """Design patterns in Python: catalog loader and shared utilities."""
 
-__version__ = "0.1.0"
+__version__ = "1.0.0"
diff --git a/src/design_patterns/catalog.py b/src/design_patterns/catalog.py
index 273038a..f34952c 100644
--- a/src/design_patterns/catalog.py
+++ b/src/design_patterns/catalog.py
@@ -8,6 +8,7 @@
 
 from __future__ import annotations
 
+import importlib.util
 import json
 from dataclasses import asdict, dataclass, field
 from pathlib import Path
@@ -150,13 +151,20 @@ def to_json(self) -> str:
 
 
 def find_patterns_root(start: Path | None = None) -> Path:
-    """Locate the ``patterns/`` directory from a file inside the repo."""
+    """Locate the ``patterns/`` directory.
+
+    Works both from a repo checkout (walk upward from this file) and from an
+    installed wheel (the ``patterns`` package ships inside the distribution).
+    """
     here = (start or Path(__file__)).resolve()
     for parent in [here, *here.parents]:
         candidate = parent / "patterns"
         if candidate.is_dir():
             return candidate
-    raise CatalogError(f"no patterns/ directory above {here}")
+    spec = importlib.util.find_spec("patterns")
+    if spec is not None and spec.origin is not None:
+        return Path(spec.origin).parent
+    raise CatalogError(f"no patterns/ directory above {here} and no installed patterns package")
 
 
 def load_catalog(root: Path | None = None) -> Catalog: