diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 1fb8e7b..ba9c31f 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -14,11 +14,7 @@ jobs:
       with:
         python-version: "3.x"
     - name: Install pypa/build
-      run: >-
-        python3 -m
-        pip install
-        build
-        --user
+      run: python3 -m pip install build --user
     - name: Build a binary wheel and a source tarball
       run: python3 -m build
     - name: Store the distribution packages
diff --git a/setup.py b/setup.py
index 7394694..6f7ee00 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,8 @@
         "gsw",
         "scipy",
         "bitstring",
-        "pooch"
+        "pooch",
+        "polars"
       ],
       license='Apache',
       extras_require={
@@ -25,5 +26,7 @@
         "docs": ["pydata-sphinx-theme", "numpydoc", "autoapi", "myst-parser",
                  "sphinx"]
       },
-      zip_safe=True
+      zip_safe=True,
+      long_description=open('README.md').read(),
+      long_description_content_type='text/markdown',
       )