diff --git a/.readthedocs.yml b/.readthedocs.yml
index 16dfeaff..3d1907e3 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -13,6 +13,7 @@ build:
     - asdf plugin add uv
     - asdf install uv latest
     - asdf global uv latest
+    - touch extern/histogram/LICENSE
     - uv run --only-group docs sphinx-build -T -b html -d docs/_build/doctrees -D language=en docs $READTHEDOCS_OUTPUT/html
 
 submodules:
diff --git a/pyproject.toml b/pyproject.toml
index 7921a509..39d31c99 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,12 +16,15 @@ keywords = [
     "boost-histogram",
     "histogram",
 ]
+license = "BSD-3-Clause AND BSL-1.0"
+license-files = [
+    "LICENSE", "extern/*/LICENSE"
+]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
     "Intended Audience :: Information Technology",
     "Intended Audience :: Science/Research",
-    "License :: OSI Approved :: BSD License",
     "Operating System :: MacOS",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: POSIX",
@@ -96,7 +99,6 @@ test = [
 
 [tool.scikit-build]
 minimum-version = "build-system.requires"
-cmake.version = "CMakeLists.txt"
 metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
 sdist.exclude = [
   "extern/**/*.py",