diff --git a/geonode/__init__.py b/geonode/__init__.py
index a5ad6613ff7..e18c1b7350c 100644
--- a/geonode/__init__.py
+++ b/geonode/__init__.py
@@ -28,6 +28,12 @@ def get_version():
     return geonode.version.get_version(__version__)
 
 
+# PEP 440 compliant version string, referenced by pyproject.toml's dynamic
+# version (a plain string attribute, so setuptools doesn't have to stringify the
+# __version__ tuple, which would produce an invalid version like "5.1.0.final.0").
+__version_str__ = get_version()
+
+
 def main(_, **settings):
     from django.core.wsgi import get_wsgi_application
 
diff --git a/pyproject.toml b/pyproject.toml
index 7661d2878de..e34b8db2ff9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -191,7 +191,7 @@ exclude = ["tests*"]
 include = ["geonode*"]
 
 [tool.setuptools.dynamic]
-version = {attr = "geonode.__version__"}
+version = {attr = "geonode.__version_str__"}
 
 [tool.black]
 line-length = 120