diff --git a/pkgs/development/python-modules/pbr/default.nix b/pkgs/development/python-modules/pbr/default.nix
index 8775faa53c24..7a03226b4dde 100644
--- a/pkgs/development/python-modules/pbr/default.nix
+++ b/pkgs/development/python-modules/pbr/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "pbr";
-  version = "5.8.0";
+  version = "5.8.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "672d8ebee84921862110f23fcec2acea191ef58543d34dfe9ef3d9f13c31cddf";
+    sha256 = "sha256-ZrxaNJEvQIuzklvyEjHLb1kgYme39j81A++GXBopLiU=";
   };
 
   propagatedBuildInputs = [ setuptools ];
diff --git a/pkgs/development/python-modules/pbr/tests.nix b/pkgs/development/python-modules/pbr/tests.nix
index b31334589f5d..aacb726d6a1d 100644
--- a/pkgs/development/python-modules/pbr/tests.nix
+++ b/pkgs/development/python-modules/pbr/tests.nix
@@ -1,8 +1,8 @@
 { buildPythonPackage
+, build
 , git
 , gnupg
 , pbr
-, mock
 , sphinx
 , stestr
 , testresources
@@ -27,9 +27,9 @@ buildPythonPackage rec {
 
   checkInputs = [
     pbr
+    build
     git
     gnupg
-    mock
     sphinx
     stestr
     testresources