diff --git a/pkgs/development/python-modules/oslo-concurrency/default.nix b/pkgs/development/python-modules/oslo-concurrency/default.nix
index 2e473ae3e58d..e9244c7bc843 100644
--- a/pkgs/development/python-modules/oslo-concurrency/default.nix
+++ b/pkgs/development/python-modules/oslo-concurrency/default.nix
@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "oslo-concurrency";
-  version = "7.2.0";
+  version = "7.3.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "openstack";
     repo = "oslo.concurrency";
     tag = version;
-    hash = "sha256-72KatSWTCx4hyUel2Fu5yiqrdYveRGruvJDWWo1hkIk=";
+    hash = "sha256-vZWEeyYkdUl9EL4bw6AIbZgVpKXgakvRyFkQAT5GqJ4=";
   };
 
   postPatch = ''
@@ -38,6 +38,9 @@ buildPythonPackage rec {
       --replace-fail "/bin/bash" "${bash}/bin/bash" \
       --replace-fail "/bin/true" "${coreutils}/bin/true" \
       --replace-fail "/bin/env" "${coreutils}/bin/env"
+
+    substituteInPlace pyproject.toml \
+      --replace-fail '"oslo_concurrency"' '"oslo_concurrency", "oslo_concurrency.fixture", "oslo_concurrency.tests"'
   '';
 
   env.PBR_VERSION = version;