diff --git a/.github/workflows/test_tox.yml b/.github/workflows/test_tox.yml
index 3d60ed3a..4ead18da 100644
--- a/.github/workflows/test_tox.yml
+++ b/.github/workflows/test_tox.yml
@@ -24,6 +24,8 @@ jobs:
           toxenv: 'py311,wheel'
         - python-version: '3.12'
           toxenv: 'py312,wheel'
+        - python-version: '3.13'
+          toxenv: 'py313,wheel'
     container:
       image: ubuntu:22.04
     steps:
diff --git a/.pylintrc b/.pylintrc
index 877a22bf..33d61a71 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -1,4 +1,4 @@
-# Pylint 3.0.x configuration file
+# Pylint 3.2.x configuration file
 #
 # This file is generated by l2tdevtools update-dependencies.py, any dependency
 # related changes should be made in dependencies.ini.
@@ -29,6 +29,7 @@ clear-cache-post-run=no
 # A comma-separated list of package or module names from where C extensions may
 # be loaded. Extensions are loading into the active Python interpreter and may
 # run arbitrary code.
+# extension-pkg-allow-list=
 extension-pkg-allow-list=
 
 # A comma-separated list of package or module names from where C extensions may
@@ -63,10 +64,11 @@ ignore-paths=
 # Emacs file locks
 ignore-patterns=^\.#
 
-# List of module names for which member attributes should not be checked
-# (useful for modules/projects where namespaces are manipulated during runtime
-# and thus existing member attributes cannot be deduced by static analysis). It
-# supports qualified module names, as well as Unix pattern matching.
+# List of module names for which member attributes should not be checked and
+# will not be imported (useful for modules/projects where namespaces are
+# manipulated during runtime and thus existing member attributes cannot be
+# deduced by static analysis). It supports qualified module names, as well as
+# Unix pattern matching.
 ignored-modules=
 
 # Python code to execute, usually for sys.path manipulation such as
@@ -85,11 +87,16 @@ limit-inference-results=100
 
 # List of plugins (as comma separated values of python module names) to load,
 # usually to register additional checkers.
+# load-plugins=
 load-plugins=pylint.extensions.docparams
 
 # Pickle collected data for later comparisons.
 persistent=yes
 
+# Resolve imports to .pyi stubs if available. May reduce no-member messages and
+# increase not-an-iterable messages.
+prefer-stubs=no
+
 # Minimum Python version to use for version dependent checks. Will default to
 # the version used to run pylint.
 py-version=3.12
@@ -440,7 +447,6 @@ confidence=HIGH,
 # --enable=similarities". If you want to run only the classes checker, but have
 # no Warning level messages displayed, use "--disable=all --enable=classes
 # --disable=W".
-
 disable=assignment-from-none,
         bad-inline-option,
         consider-using-f-string,
@@ -478,6 +484,7 @@ disable=assignment-from-none,
 # either give multiple identifier separated by comma (,) or put this option
 # multiple time (only on the command line, not in the configuration file where
 # it should appear only once). See also the "--disable" option for examples.
+# enable=
 enable=c-extension-no-member
 
 
@@ -510,6 +517,11 @@ max-nested-blocks=5
 # printed.
 never-returning-functions=sys.exit,argparse.parse_error
 
+# Let 'consider-using-join' be raised when the separator to join on would be
+# non-empty (resulting in expected fixes of the type: ``"- " + " -
+# ".join(items)``)
+suggest-join-with-non-empty-separator=yes
+
 
 [REPORTS]
 
diff --git a/appveyor.yml b/appveyor.yml
index fa80fa7c..6ad3e37c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -28,8 +28,8 @@ environment:
     PYTHON_VERSION: "3.12"
     L2TBINARIES_TRACK: "dev"
     TARGET: wheel
-  - DESCRIPTION: "Run tests on Mac OS with Python 3.12"
-    APPVEYOR_BUILD_WORKER_IMAGE: macos-monterey
+  - DESCRIPTION: "Run tests on Mac OS with Python 3.13"
+    APPVEYOR_BUILD_WORKER_IMAGE: macos-sonoma
     HOMEBREW_NO_INSTALL_CLEANUP: 1
     TARGET: tests
 
diff --git a/artifacts/reader.py b/artifacts/reader.py
index 09467611..1bc944b1 100644
--- a/artifacts/reader.py
+++ b/artifacts/reader.py
@@ -237,8 +237,7 @@ def ReadDirectory(self, path, extension='yaml'):
       glob_spec = os.path.join(path, '*')
 
     for artifact_file in glob.glob(glob_spec):
-      for artifact_definition in self.ReadFile(artifact_file):
-        yield artifact_definition
+      yield from self.ReadFile(artifact_file)
 
   def ReadFile(self, filename):
     """Reads artifact definitions from a file.
@@ -250,8 +249,7 @@ def ReadFile(self, filename):
       ArtifactDefinition: an artifact definition.
     """
     with io.open(filename, 'r', encoding='utf-8') as file_object:
-      for artifact_definition in self.ReadFileObject(file_object):
-        yield artifact_definition
+      yield from self.ReadFileObject(file_object)
 
   @abc.abstractmethod
   def ReadFileObject(self, file_object):
diff --git a/artifacts/scripts/validator.py b/artifacts/scripts/validator.py
index de03bc2d..69850361 100755
--- a/artifacts/scripts/validator.py
+++ b/artifacts/scripts/validator.py
@@ -585,6 +585,8 @@ def Main():
 
   validator = ArtifactDefinitionsValidator()
 
+  result = False
+
   if os.path.isdir(options.definitions):
     print(f'Validating definitions in: {options.definitions:s}/*.yaml')
     result = validator.CheckDirectory(options.definitions)
diff --git a/config/appveyor/install.sh b/config/appveyor/install.sh
index 42c4ab6b..51eb76d4 100755
--- a/config/appveyor/install.sh
+++ b/config/appveyor/install.sh
@@ -3,5 +3,5 @@
 set -e
 
 brew update -q
-brew install -q gettext gnu-sed python@3.12 tox || true
+brew install -q gettext gnu-sed python@3.13 tox || true
 
diff --git a/config/appveyor/runtests.sh b/config/appveyor/runtests.sh
index 86ba5ce1..18cc67c3 100755
--- a/config/appveyor/runtests.sh
+++ b/config/appveyor/runtests.sh
@@ -9,7 +9,7 @@ export LDFLAGS="-L/usr/local/lib -L/usr/local/opt/gettext/lib ${LDFLAGS}";
 export CPPFLAGS="-I/usr/local/opt/openssl@1.1/include ${CPPFLAGS}";
 export LDFLAGS="-L/usr/local/opt/openssl@1.1/lib ${LDFLAGS}";
 
-# Set the following environment variables to ensure tox can find Python 3.12.
-export PATH="/usr/local/opt/python@3.12/bin:${PATH}";
+# Set the following environment variables to ensure tox can find Python 3.13.
+export PATH="/usr/local/opt/python@3.13/bin:${PATH}";
 
-tox -e py312
+tox -e py313
diff --git a/setup.cfg b/setup.cfg
index a1dc4364..6075f367 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = artifacts
-version = 20240518
+version = 20241226
 description = ForensicArtifacts.com Artifact Repository.
 long_description = A free, community-sourced, machine-readable knowledge base of forensic artifacts that the world can use both as an information source and within other tools.
 long_description_content_type = text/plain
@@ -40,6 +40,3 @@ where = .
 console_scripts =
   stats = artifacts.scripts.stats:Main
   validator = artifacts.scripts.validator:Main
-
-[bdist_wheel]
-universal = 1
diff --git a/tox.ini b/tox.ini
index cbf0d235..4b13a5d0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py3{8,9,10,11,12},coverage,docformatter,docs,lint,wheel
+envlist = py3{8,9,10,11,12,13},coverage,docformatter,docs,lint,wheel
 
 [testenv]
 allowlist_externals = ./run_tests.py
@@ -19,7 +19,7 @@ deps =
     setuptools >= 65
     wheel
 commands =
-  py3{8,9,10,11,12}: ./run_tests.py
+  py3{8,9,10,11,12,13}: ./run_tests.py
   coverage: coverage erase
   coverage: coverage run --source=artifacts --omit="*_test*,*__init__*,*test_lib*" run_tests.py
   coverage: coverage xml
@@ -53,7 +53,7 @@ deps =
   -rrequirements.txt
   -rtest_requirements.txt
   docformatter
-  pylint >= 3.0.0, < 3.1.0
+  pylint >= 3.2.0, < 3.3.0
   setuptools
   yamllint >= 1.26.0
 commands =