diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 861e42d..01ee7f7 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -94,7 +94,7 @@ jobs:
             setup.py
 
       - name: Install dependencies
-        run: python -m pip install -e ".[dev]" -e ".[docs]"
+        run: python -m pip install -e ".[dev,docs]"
 
       - name: Run mypy
         run: mypy .
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 91b025b..d99b2e0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -24,6 +24,18 @@ Install documentation dependencies with:
 pip install -e ".[docs]"
 ```
 
+Install runtime dependencies with:
+
+```bash
+pip install -e .
+```
+
+All dependencies can be installed at once with:
+
+```bash
+pip install -e ".[dev,docs]"
+```
+
 ### Running the Tests
 
 Run the following command to run the [Tox](https://github.com/tox-dev/tox) test script which will verify that the tested functionality is still working.
diff --git a/pyproject.toml b/pyproject.toml
index 9db538c..7b8a95a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,8 +5,8 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "table2ascii"
+version = "1.1.0"
 authors = [{name = "Jonah Lawrence", email = "jonah@freshidea.com"}]
-dynamic = ["version"]
 description = "Convert 2D Python lists into Unicode/ASCII tables"
 readme = "README.md"
 requires-python = ">=3.7"
@@ -39,6 +39,7 @@ classifiers = [
 ]
 dependencies = [
     "typing-extensions>=3.7.4; python_version<'3.8'",
+    "importlib-metadata<5,>=1; python_version<'3.8'",
     "wcwidth<1",
 ]
 
diff --git a/setup.py b/setup.py
index 5fbf35d..d32b777 100644
--- a/setup.py
+++ b/setup.py
@@ -1,16 +1,4 @@
 # /usr/bin/env python
-import re
-
 from setuptools import setup
 
-
-def version():
-    version = ""
-    with open("table2ascii/__init__.py") as f:
-        version = re.search(r'^__version__\s*=\s*[\'"]([^\'"]*)[\'"]', f.read(), re.MULTILINE)
-    if not version:
-        raise RuntimeError("version is not set")
-    return version.group(1)
-
-
-setup(name="table2ascii", version=version())
+setup()
diff --git a/table2ascii/__init__.py b/table2ascii/__init__.py
index 19fa31a..a86dc02 100644
--- a/table2ascii/__init__.py
+++ b/table2ascii/__init__.py
@@ -1,6 +1,8 @@
 """
 table2ascii - Library for converting 2D Python lists to fancy ASCII/Unicode tables
 """
+import sys
+from typing import TYPE_CHECKING
 
 from .alignment import Alignment
 from .merge import Merge
@@ -8,7 +10,12 @@
 from .table_style import TableStyle
 from .table_to_ascii import table2ascii
 
-__version__ = "1.0.4"
+if TYPE_CHECKING or sys.version_info >= (3, 8):
+    from importlib import metadata
+else:
+    import importlib_metadata as metadata
+
+__version__ = metadata.version(__name__)
 
 __all__ = [
     "Alignment",
diff --git a/table2ascii/annotations.py b/table2ascii/annotations.py
index 241e787..60a4e3d 100644
--- a/table2ascii/annotations.py
+++ b/table2ascii/annotations.py
@@ -2,14 +2,11 @@
 from abc import abstractmethod
 from typing import TYPE_CHECKING
 
-if sys.version_info >= (3, 8):
+if TYPE_CHECKING or sys.version_info >= (3, 8):
     from typing import Protocol, runtime_checkable
 else:
     from typing_extensions import Protocol, runtime_checkable
 
-if TYPE_CHECKING:
-    from typing import Protocol
-
 
 @runtime_checkable
 class SupportsStr(Protocol):