diff --git a/pkgs/development/python-modules/python-octaviaclient/default.nix b/pkgs/development/python-modules/python-octaviaclient/default.nix
index 5c671398eed5..bbd3b5f4d02a 100644
--- a/pkgs/development/python-modules/python-octaviaclient/default.nix
+++ b/pkgs/development/python-modules/python-octaviaclient/default.nix
@@ -7,8 +7,10 @@
   fetchPypi,
   hacking,
   keystoneauth1,
+  makePythonPath,
   openstackclient,
   openstackdocstheme,
+  installer,
   osc-lib,
   oslotest,
   oslo-serialization,
@@ -28,14 +30,20 @@
 
 buildPythonPackage rec {
   pname = "python-octaviaclient";
-  version = "3.8.0";
+  version = "3.9.0";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-wrYhCY3gqcklSK8lapsgFq25Yi3awEGgarW2a7W1kO4=";
+    hash = "sha256-cXReOIfgC5Fx5gT0vF/pV7QwEuC2YfnW4OE+m7nqr20=";
   };
 
+  postPatch = ''
+    # somehow python-neutronclient cannot be found despite it being supplied
+    substituteInPlace requirements.txt \
+      --replace-fail "python-neutronclient>=6.7.0" ""
+  '';
+
   build-system = [
     setuptools
     pbr
@@ -58,6 +66,11 @@ buildPythonPackage rec {
     requests
   ];
 
+  preInstall = ''
+    # TODO: I have really no idea why installer is missing...
+    export PYTHONPATH=$PYTHONPATH:${makePythonPath [ installer ]}
+  '';
+
   nativeCheckInputs = [
     hacking
     requests-mock
@@ -73,6 +86,9 @@ buildPythonPackage rec {
   checkPhase = ''
     runHook preCheck
 
+    # TODO: no idea why PYTHONPATH is broken here
+    export PYTHONPATH=$PYTHONPATH:${makePythonPath nativeCheckInputs}
+
     stestr run
 
     runHook postCheck
@@ -82,7 +98,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "OpenStack Octavia Command-line Client";
-    homepage = "https://opendev.org/openstack/python-octaviaclient/";
+    homepage = "https://github.com/openstack/python-octaviaclient";
     license = licenses.asl20;
     maintainers = teams.openstack.members;
   };