diff --git a/history/1.0.0.rst b/history/1.0.0.rst
new file mode 100644
index 0000000..2910aee
--- /dev/null
+++ b/history/1.0.0.rst
@@ -0,0 +1,19 @@
+* Support the semi-standardised ``CFLAGS``, ``MACOSX_DEPLOYMENT_TARGET`` and
+  ``MACOSX_ARCHITECTURE`` as aliases for the pre-existing ``CC_FLAGS``,
+  ``MACOS_DEPLOYMENT_TARGET`` and ``MACOS_ARCHITECTURE`` environment variables.
+
+* Fix building wheels with new setuptools+wheel versions.
+
+* .. rst-class:: in-red
+
+    Remove ``cslug.__version__`` attribute. Use
+    ``importlib.metadata.version("cslug")`` instead.
+
+* .. rst-class:: in-red
+
+    Fix the macOS deployment target not being enforced for targets below 10.12.
+
+* Drop end of life Python versions 3.6 and 3.7.
+
+* The build command in :class:`~cslug.exceptions.BuildError` now uses shell-like
+  syntax instead of an argument list.
diff --git a/pyproject.toml b/pyproject.toml
index 68d6cba..808e91f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,8 +3,8 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name="cslug"
-version = "0.7.0"
+name = "cslug"
+version = "1.0.0"
 authors = [
   { name="Brénainn Woodsend", email="bwoodsend@gmail.com" },
 ]