diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index 03d7c80c..24c37037 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -13,18 +13,18 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { name: "3.8", python: "3.8", tox: py38 }
-          - { name: "3.12", python: "3.12", tox: py312 }
-          - { name: "lowest", python: "3.8", tox: py38-lowest }
+          - { name: "3.9", python: "3.9", tox: py39 }
+          - { name: "3.13", python: "3.13", tox: py313 }
+          - { name: "lowest", python: "3.9", tox: py39-lowest }
     steps:
       - uses: actions/checkout@v4.0.0
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
       - name: Download nltk data
-        run: wget https://s3.amazonaws.com/textblob/nltk_data-0.11.0.tar.gz
-      - name: Extract nltk data
-        run: tar -xzvf nltk_data-0.11.0.tar.gz -C ~
+        run: |
+          pip install .
+          python -m textblob.download_corpora
       - run: python -m pip install tox
       - run: python -m tox -e${{ matrix.tox }}
   build:
diff --git a/AUTHORS.rst b/AUTHORS.rst
index 86aebc45..6a548b78 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -34,3 +34,4 @@ Contributors (chronological)
 - Romain Casati `@casatir <https://github.com/casatir>`_
 - Evgeny Kemerov `@sudoguy <https://github.com/sudoguy>`_
 - Karthikeyan Singaravelan `@tirkarthi <https://github.com/tirkarthi>`_
+- John Franey `@johnfraney <https://github.com/johnfraney>`_
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index eaaf0974..526e862f 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,9 +4,16 @@ Changelog
 0.19.0 (unreleased)
 ___________________
 
-Other changes:
+Bug fixes:
+
+- Fix ``textblob.download_corpora`` script (:issue:`474`).
+  Thanks :user:`cagan-elden` for reporting.
+
+Changes:
 
 - Remove vendorized ``unicodecsv`` module, as it's no longer used.
+- Support Python 3.9-3.13 and nltk>=3.9 (:pr:`486`)
+  Thanks :user:`johnfraney` for the PR.
 
 0.18.0 (2024-02-15)
 -------------------
diff --git a/pyproject.toml b/pyproject.toml
index 2a4e0c36..b664fec4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,16 +9,16 @@ classifiers = [
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
   "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",
   "Topic :: Text Processing :: Linguistic",
 ]
 keywords = ["textblob", "nlp", 'linguistics', 'nltk', 'pattern']
-requires-python = ">=3.8"
-dependencies = ["nltk>=3.8"]
+requires-python = ">=3.9"
+dependencies = ["nltk>=3.9"]
 
 [project.urls]
 Changelog = "https://textblob.readthedocs.io/en/latest/changelog.html"
diff --git a/src/textblob/download_corpora.py b/src/textblob/download_corpora.py
index 43a3f38e..e9bc8436 100644
--- a/src/textblob/download_corpora.py
+++ b/src/textblob/download_corpora.py
@@ -18,9 +18,9 @@
 
 MIN_CORPORA = [
     "brown",  # Required for FastNPExtractor
-    "punkt",  # Required for WordTokenizer
+    "punkt_tab",  # Required for WordTokenizer
     "wordnet",  # Required for lemmatization
-    "averaged_perceptron_tagger",  # Required for NLTKTagger
+    "averaged_perceptron_tagger_eng",  # Required for NLTKTagger
 ]
 
 ADDITIONAL_CORPORA = [
diff --git a/tox.ini b/tox.ini
index ea0be73c..b2b7f172 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,13 +1,13 @@
 [tox]
 envlist =
     lint
-    py{38,39,310,311,312}
-    py38-lowest
+    py{39,310,311,312,313}
+    py39-lowest
 
 [testenv]
 extras = tests
 deps =
-    lowest: nltk==3.8
+    lowest: nltk==3.9
 commands = pytest {posargs}