diff --git a/python-tox.changes b/python-tox.changes
index f683472..977ab73 100644
--- a/python-tox.changes
+++ b/python-tox.changes
@@ -6,6 +6,8 @@ Fri May  5 14:30:53 UTC 2023 - Matej Cepl <mcepl@suse.com>
   to the packaged changelog.
 - Add mark-network-tests.patch to skip test which require network
   access
+- Add optional_devpi_process.patch to make the package not depend
+  on devpi_process (which is rather expensive to build).
 
 -------------------------------------------------------------------
 Fri Apr 21 12:37:47 UTC 2023 - Dirk Müller <dmueller@suse.com>
diff --git a/python-tox.spec b/python-tox.spec
index a146422..a5d8c11 100644
--- a/python-tox.spec
+++ b/python-tox.spec
@@ -17,6 +17,11 @@
 
 
 %{?sle15_python_module_pythons}
+%if 0%{?sle15_python_module_pythons}
+%bcond_without devpi_process
+%else
+%bcond_with devpi_process
+%endif
 Name:           python-tox
 Version:        4.5.1
 Release:        0
@@ -56,6 +61,9 @@ BuildRequires:  %{python_module toml >= 0.9.4}
 BuildRequires:  %{python_module tomli >= 2.0.1}
 BuildRequires:  %{python_module virtualenv >= 20.21.0}
 BuildRequires:  %{python_module wheel >= 0.29.0}
+%if %{with devpi_process}
+BuildRequires:  %{python_module devpi-process}
+%endif
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildRequires:  unzip
@@ -108,7 +116,11 @@ use for:
   CI and shell-based testing.
 
 %prep
-%autosetup -p1 -n tox-%{version}
+%setup -q -n tox-%{version}
+%if %{with devpi_process}
+%patch0 -p1
+%endif
+%autopatch -p1 -m 1
 
 %build
 export LANG=en_US.UTF8