diff --git a/meson.build b/meson.build
index cb6a213..baf1d02 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
     'numpy-financial',
     'cython', 'c',
-    version: '2.0.0.dev',
+    version: run_command('tools/version.py', check: true).stdout().strip(),
     license: 'BSD-3',
     meson_version: '>=1.4.0',
 )
diff --git a/pyproject.toml b/pyproject.toml
index aea7a12..dc01f4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ requires = [
 
 [project]
 name = "numpy-financial"
-version = "2.0.0"
+dynamic = ['version']
 requires-python = ">=3.13"
 description = "Simple financial functions"
 license = "BSD-3-Clause"
diff --git a/tools/version.py b/tools/version.py
new file mode 100755
index 0000000..d182e47
--- /dev/null
+++ b/tools/version.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+"""Determine and print the version number.
+
+Used in the top level ``meson.build``.
+"""
+
+from pathlib import Path
+
+INIT = Path(__file__).parent.parent / "numpy_financial" / "__init__.py"
+
+
+def version_from_init():
+    """Extract the version string from ``numpy_financial/__init__.py``."""
+    lines = INIT.read_text().splitlines()
+    version_line = next(line for line in lines if line.startswith("__version__ ="))
+    return version_line.split(" = ")[1].strip().strip("\"'")
+
+
+if __name__ == "__main__":
+    print(version_from_init())