diff --git a/plan.fmf b/plan.fmf
index bd248b6..b66a8e8 100644
--- a/plan.fmf
+++ b/plan.fmf
@@ -12,37 +12,16 @@ discover:
     how: shell
     url: https://src.fedoraproject.org/rpms/pyproject-rpm-macros.git
     tests:
-    - name: pyproject_pytest
+    - name: pyproject_isort
       path: /tests
-      test: ./mocktest.sh python-pytest
-    - name: pyproject_entrypoints
-      path: /tests
-      test: ./mocktest.sh python-entrypoints
-    - name: pyproject_pluggy
-      path: /tests
-      test: ./mocktest.sh python-pluggy
-    - name: pyproject_clikit
-      path: /tests
-      test: ./mocktest.sh python-clikit
-  - name: rpms_python-rpm-generators
-    how: shell
-    test: |
-      # Need to clone on our own, tmt clones it into 'tests' subdirectory
-      # which breaks fedpkg-minimal pkgname detection
-      git clone --depth=1 https://src.fedoraproject.org/rpms/python-rpm-generators.git python-rpm-generators &&
-      cd python-rpm-generators &&
-      ./tests/download_data_and_run_pytest.sh
+      test: ./mocktest.sh python-isort
 prepare:
   - name: Install dependencies
     how: install
     package:
-    - fedpkg-minimal
     - mock
-    - python3-pip
-    - python3-pytest
-    - python3-pyyaml
-    - python3-setuptools
-    - python3-wheel
+    - python3.13
+    - python3.13-packaging
     - rpmdevtools
     - rpm-build
     - dnf
diff --git a/tests/smoke/runtest.sh b/tests/smoke/runtest.sh
index d0e4f06..4abff0d 100755
--- a/tests/smoke/runtest.sh
+++ b/tests/smoke/runtest.sh
@@ -4,10 +4,10 @@ set -eux
 # Currently there is no easy way to see the versions of installed packages.
 # Let's list them to make sure we're testing against the correct package set.
 rpm -qa | sort
-python3 -c 'import packaging'
-python3 -c 'from packaging import version; version.Version("2.5.1rc2")'
-python3 -c 'from packaging import specifiers; specifiers.SpecifierSet("~=1.0")'
-python3 -c 'from packaging import markers; markers.Marker("python_version>'"'"'2'"'"'")'
-python3 -c 'from packaging import requirements; requirements.Requirement('"'"'name[foo]>=2,<3; python_version>"2.0"'"'"')'
-python3 -c 'from packaging import tags; tags.Tag("py39", "none", "any")'
-python3 -c 'from packaging.utils import canonicalize_name; canonicalize_name("Django_foobar")'
+python3.13 -c 'import packaging'
+python3.13 -c 'from packaging import version; version.Version("2.5.1rc2")'
+python3.13 -c 'from packaging import specifiers; specifiers.SpecifierSet("~=1.0")'
+python3.13 -c 'from packaging import markers; markers.Marker("python_version>'"'"'2'"'"'")'
+python3.13 -c 'from packaging import requirements; requirements.Requirement('"'"'name[foo]>=2,<3; python_version>"2.0"'"'"')'
+python3.13 -c 'from packaging import tags; tags.Tag("py39", "none", "any")'
+python3.13 -c 'from packaging.utils import canonicalize_name; canonicalize_name("Django_foobar")'