diff --git a/setup.py b/setup.py
index 4ec5823..6f58128 100755
--- a/setup.py
+++ b/setup.py
@@ -1,79 +1,79 @@
 #!/usr/bin/env python3
 # Copyright (C) 2015-2018  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 from setuptools import setup, find_packages
 
 from os import path
 from io import open
 
 here = path.abspath(path.dirname(__file__))
 
 # Get the long description from the README file
 with open(path.join(here, "README.md"), encoding="utf-8") as f:
     long_description = f.read()
 
 
 def parse_requirements(name=None):
     if name:
         reqf = "requirements-%s.txt" % name
     else:
         reqf = "requirements.txt"
 
     requirements = []
     if not path.exists(reqf):
         return requirements
 
     with open(reqf) as f:
         for line in f.readlines():
             line = line.strip()
             if not line or line.startswith("#"):
                 continue
             requirements.append(line)
     return requirements
 
 
 setup(
     name="swh.loader.core",
     description="Software Heritage Base Loader",
     long_description=long_description,
     long_description_content_type="text/markdown",
     python_requires=">=3.7",
     author="Software Heritage developers",
     author_email="swh-devel@inria.fr",
     url="https://forge.softwareheritage.org/diffusion/DLDBASE",
     packages=find_packages(),  # packages's modules
     scripts=[],  # scripts to package
     install_requires=parse_requirements() + parse_requirements("swh"),
-    setup_requires=["vcversioner"],
+    setup_requires=["setuptools-scm"],
+    use_scm_version=True,
     extras_require={"testing": parse_requirements("test")},
-    vcversioner={},
     include_package_data=True,
     entry_points="""
         [swh.workers]
         loader.archive=swh.loader.package.archive:register
         loader.cran=swh.loader.package.cran:register
         loader.debian=swh.loader.package.debian:register
         loader.deposit=swh.loader.package.deposit:register
         loader.nixguix=swh.loader.package.nixguix:register
         loader.npm=swh.loader.package.npm:register
         loader.pypi=swh.loader.package.pypi:register
         [swh.cli.subcommands]
         loader=swh.loader.cli:loader
     """,
     classifiers=[
         "Programming Language :: Python :: 3",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
         "Operating System :: OS Independent",
         "Development Status :: 5 - Production/Stable",
     ],
     project_urls={
         "Bug Reports": "https://forge.softwareheritage.org/maniphest",
         "Funding": "https://www.softwareheritage.org/donate",
         "Source": "https://forge.softwareheritage.org/source/swh-loader-core",
         "Documentation": "https://docs.softwareheritage.org/devel/swh-loader-core/",
     },
 )
diff --git a/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org
deleted file mode 120000
index f42e9fb..0000000
--- a/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org
+++ /dev/null
@@ -1 +0,0 @@
-../../../archive/tests/data/https_ftp.gnu.org
\ No newline at end of file
diff --git a/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz
new file mode 100644
index 0000000..2848fb9
Binary files /dev/null and b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz differ
diff --git a/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz_visit1 b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz_visit1
new file mode 120000
index 0000000..d1bbde9
--- /dev/null
+++ b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz_visit1
@@ -0,0 +1 @@
+gnu_8sync_8sync-0.1.0.tar.gz
\ No newline at end of file
diff --git a/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz_visit2 b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz_visit2
new file mode 120000
index 0000000..d1bbde9
--- /dev/null
+++ b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.1.0.tar.gz_visit2
@@ -0,0 +1 @@
+gnu_8sync_8sync-0.1.0.tar.gz
\ No newline at end of file
diff --git a/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.2.0.tar.gz b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.2.0.tar.gz
new file mode 100644
index 0000000..ad9cbfa
Binary files /dev/null and b/swh/loader/package/nixguix/tests/data/https_ftp.gnu.org/gnu_8sync_8sync-0.2.0.tar.gz differ