diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 8c248a76..72be1f9a 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -21,10 +21,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-      with:
-        ssh-key: "${{ secrets.NIPREPS_DEPLOY }}"
     - name: Fetch all tags (for setuptools_scm to work)
-      if: github.ref == 'refs/heads/master'
       run: |
         /usr/bin/git -c protocol.version=2 fetch --tags --prune --unshallow origin
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/pyproject.toml b/pyproject.toml
index 531c8d82..9d93f080 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,8 +1,7 @@
 [build-system]
 requires = [
-    "setuptools >= 42.0",
+    "setuptools >= 34.4",
     "setuptools_scm[toml] >= 3.4",
-    "setuptools_scm_git_archive",
     "wheel"
 ]
 
diff --git a/setup.cfg b/setup.cfg
index 2b212e12..17a42969 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,17 +14,14 @@ long_description_content_type = text/x-rst; charset=UTF-8
 maintainer = The NiPreps developers
 maintainer_email = nipreps@gmail.com
 project_urls =
-    Documentation = https://www.templateflow.org/python-client/
-    GitHub = https://github.com/templateflow/python-client
     Archive = https://github.com/templateflow/templateflow
-url = https://www.templateflow.org
+    Bug Tracker = https://github.com/templateflow/python-client/issues
+    Home = https://www.templateflow.org
+    Documentation = https://www.templateflow.org/python-client/
+    Source Code = https://github.com/templateflow/python-client
 
 [options]
 python_requires = >= 3.6
-setup_requires =
-    setuptools >= 42.0
-    setuptools_scm >= 3.4
-    toml
 install_requires =
     pybids >= 0.9.2
     requests
diff --git a/setup.py b/setup.py
index 1e5dc5a4..56671f7f 100644
--- a/setup.py
+++ b/setup.py
@@ -7,12 +7,14 @@
 # Give setuptools a hint to complain if it's too old a version
 # 30.3.0 allows us to put most metadata in setup.cfg
 # Should match pyproject.toml
-SETUP_REQUIRES = [
-    "setuptools >= 42.0",
-    "setuptools_scm >= 3.4",
-    "setuptools_scm_git_archive",
-    "toml",
-]
+# setuptools >= 34.4 required by setuptools_scm
+# 40.8.0 includes license_file, reducing MANIFEST.in requirements
+#
+# To install, 34.4.0 is enough, but if we're building an sdist, require 40.8.0
+# This imposes a stricter rule on the maintainer than the user
+# Keep the installation version synchronized with pyproject.toml
+SETUP_REQUIRES = ['setuptools >= %s' % ("40.8.0" if "sdist" in sys.argv else "34.4")]
+SETUP_REQUIRES += ["setuptools_scm >= 3.4", "toml"]
 # This enables setuptools to install wheel on-the-fly
 SETUP_REQUIRES += ["wheel"] if "bdist_wheel" in sys.argv else []