diff --git a/Rakefile b/Rakefile
index 24f41e429f1cd..454096c176366 100644
--- a/Rakefile
+++ b/Rakefile
@@ -582,10 +582,11 @@ namespace :py do
   desc 'Update Python version'
   task :version, [:version] do |_task, arguments|
     old_version = python_version
-    nightly = ".dev#{Time.now.strftime('%Y%m%d%H%M')}"
+    nightly = ".#{Time.now.strftime('%Y%m%d%H%M')}"
     new_version = updated_version(old_version, arguments[:version], nightly)
 
     ['py/setup.py',
+     'py/pyproject.toml',
      'py/BUILD.bazel',
      'py/selenium/__init__.py',
      'py/selenium/webdriver/__init__.py',
@@ -1138,7 +1139,7 @@ def updated_version(current, desired = nil, nightly = nil)
     desired.split('.').tap { |v| v << 0 while v.size < 3 }.join('.')
   elsif current.split(/\.|-/).size > 3
     # if current version is already nightly, just need to bump it; this will be noop for some languages
-    pattern = /-?\.?(nightly|SNAPSHOT|dev)\d*$/
+    pattern = /-?\.?(nightly|SNAPSHOT|dev|\d{12})\d*$/
     current.gsub(pattern, nightly)
   elsif current.split(/\.|-/).size == 3
     # if current version is not nightly, need to bump the version and make nightly
diff --git a/py/BUILD.bazel b/py/BUILD.bazel
index beba3d5684c7c..0e955f052f4d8 100644
--- a/py/BUILD.bazel
+++ b/py/BUILD.bazel
@@ -62,7 +62,7 @@ compile_pip_requirements(
     ],
 )
 
-SE_VERSION = "4.27.0.dev202410311942"
+SE_VERSION = "4.27.0.202410311942"
 
 BROWSER_VERSIONS = [
     "v85",
diff --git a/py/docs/source/conf.py b/py/docs/source/conf.py
index 1d5148a0508fa..41a620b368248 100644
--- a/py/docs/source/conf.py
+++ b/py/docs/source/conf.py
@@ -58,7 +58,7 @@
 # The short X.Y version.
 version = '4.27'
 # The full version, including alpha/beta/rc tags.
-release = '4.27.0.dev202410311942'
+release = '4.27.0.202410311942'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/py/pyproject.toml b/py/pyproject.toml
index 7ee15417a32f1..6488cda070f56 100644
--- a/py/pyproject.toml
+++ b/py/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "selenium"
-version = "4.27.0.dev202410311942"
+version = "4.27.0.202410311942"
 license = "Apache 2.0"
 description = "Official Python bindings for Selenium WebDriver."
 readme = "README.rst"
@@ -52,15 +52,15 @@ SourceCode = "https://github.com/SeleniumHQ/selenium/tree/trunk/py"
 
 [tool.setuptools.package-data]
 selenium_package = [
-    "*.py", 
+    "*.py",
     "*.rst",
-    "*.json", 
-    "*.xpi", 
+    "*.json",
+    "*.xpi",
     "*.js",
     "py.typed",
     "prune*",
     "selenium.egg-info*",
-    "selenium-manager", 
+    "selenium-manager",
     "selenium-manager.exe",
     "CHANGES",
     "LICENSE"
diff --git a/py/selenium/__init__.py b/py/selenium/__init__.py
index e7ab5cc0b075e..8fa1fd3219d4d 100644
--- a/py/selenium/__init__.py
+++ b/py/selenium/__init__.py
@@ -16,4 +16,4 @@
 # under the License.
 
 
-__version__ = "4.27.0.dev202410311942"
+__version__ = "4.27.0.202410311942"
diff --git a/py/selenium/webdriver/__init__.py b/py/selenium/webdriver/__init__.py
index b64471644e380..c57217aefb69f 100644
--- a/py/selenium/webdriver/__init__.py
+++ b/py/selenium/webdriver/__init__.py
@@ -44,7 +44,7 @@
 from .wpewebkit.service import Service as WPEWebKitService  # noqa
 from .wpewebkit.webdriver import WebDriver as WPEWebKit  # noqa
 
-__version__ = "4.27.0.dev202410311942"
+__version__ = "4.27.0.202410311942"
 
 # We need an explicit __all__ because the above won't otherwise be exported.
 __all__ = [
diff --git a/py/setup.py b/py/setup.py
index 3014b5321e307..0f93e33f0ecae 100755
--- a/py/setup.py
+++ b/py/setup.py
@@ -35,4 +35,4 @@
     ],
 }
 
-setup(**setup_args)
\ No newline at end of file
+setup(**setup_args)