diff --git a/pyproject.toml b/pyproject.toml
index 660ae1d7..5a2dac80 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,6 @@ Distribution = "https://pypi.org/project/towncrier"
 exclude = [
     "admin",
     "bin",
-    "docs",
     ".readthedocs.yaml",
     "src/towncrier/newsfragments",
 ]
diff --git a/src/towncrier/newsfragments/672.doc b/src/towncrier/newsfragments/672.doc
new file mode 100644
index 00000000..d1aa14b0
--- /dev/null
+++ b/src/towncrier/newsfragments/672.doc
@@ -0,0 +1 @@
+The documentation RST source files are now included in the sdist package.