diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 16997e631..cdbe6d3be 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -46,17 +46,17 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         allow-failure: [false]
         test-case: [test-unit-only, test-func-only]
         include:
           # experimental python
           - os: ubuntu-latest
-            python-version: "3.12"
+            python-version: "3.13"
             allow-failure: true
             test-case: test-unit-only
           - os: ubuntu-latest
-            python-version: "3.12"
+            python-version: "3.13"
             allow-failure: true
             test-case: test-func-only
           # linter tests
diff --git a/CHANGES.rst b/CHANGES.rst
index 1ba06264e..263abe3c8 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -12,7 +12,8 @@ Changes
 
 Changes:
 --------
-- No change.
+- Add support of Python 3.13.
+- Drop support of Python 3.8.
 
 Fixes:
 ------
diff --git a/README.rst b/README.rst
index a358de89c..3a6071777 100644
--- a/README.rst
+++ b/README.rst
@@ -54,8 +54,8 @@ for each process.
     * - releases
       - | |version| |commits-since| |docker_image|
 
-.. |py_ver| image:: https://img.shields.io/badge/python-3.8%2B-blue.svg?logo=python
-    :alt: Requires Python 3.8+
+.. |py_ver| image:: https://img.shields.io/badge/python-3.9%2B-blue.svg?logo=python
+    :alt: Requires Python 3.9+
     :target: https://www.python.org/getit
 
 .. |commits-since| image:: https://img.shields.io/github/commits-since/crim-ca/weaver/6.0.0.svg?logo=github
diff --git a/setup.py b/setup.py
index a4251ea17..cc6381118 100644
--- a/setup.py
+++ b/setup.py
@@ -95,11 +95,11 @@ def _parse_requirements(file_path, requirements, links):
         "Operating System :: POSIX",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: 3 :: Only",
         "Topic :: Internet :: WWW/HTTP",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
@@ -120,7 +120,7 @@ def _parse_requirements(file_path, requirements, links):
     package_data={"": ["*.mako"]},
     zip_safe=False,
     test_suite="tests",
-    python_requires=">=3.7, <4",
+    python_requires=">=3.9, <4",
     install_requires=REQUIREMENTS,
     dependency_links=LINKS,
     extras_require={
diff --git a/tests/functional/test_cli.py b/tests/functional/test_cli.py
index 00bde732f..028b66679 100644
--- a/tests/functional/test_cli.py
+++ b/tests/functional/test_cli.py
@@ -1073,9 +1073,18 @@ def test_deploy_docker_auth_help(self):
                 docker_lines = lines[i:]
                 break
         assert docker_lines
-        docker_opts = ["-T TOKEN", "-U USERNAME", "-P PASSWORD"]
+        # depending on python version, different (equivalent) variants are used
+        # allow any of them
+        docker_opts = [
+            ("-T TOKEN, --token TOKEN", "-T, --token TOKEN"),
+            ("-U USERNAME, --username USERNAME", "-U, --username USERNAME"),
+            ("-P PASSWORD, --password PASSWORD", "-P, --password PASSWORD"),
+        ]
         docker_help = f"Arguments {docker_opts} not found in:\n{repr_json(docker_lines, indent=2)}"
-        assert all(any(opt in line for line in docker_lines) for opt in docker_opts), docker_help
+        assert all(
+            any(opt1 in line or opt2 in line for line in docker_lines)
+            for opt1, opt2 in docker_opts
+        ), docker_help
 
     @staticmethod
     def add_docker_pull_ref(cwl, ref):
@@ -1916,9 +1925,9 @@ def test_execute_help_details(self):
         start = -1
         end = -1
         for index, line in enumerate(lines):
-            if "-I INPUTS, --inputs INPUTS" in line:
+            if "-I INPUTS, --inputs INPUTS" in line or "-I, --inputs INPUTS" in line:
                 start = index + 1
-            if "Example:" in line:
+            if "-I file:File=data.xml" in line:  # contents toward the end of '--inputs' help message
                 end = index
                 break
         assert 0 < start < end