diff --git a/.github/workflows/check-coverage.yml b/.github/workflows/check-coverage.yml
index f331880d..7d57137f 100644
--- a/.github/workflows/check-coverage.yml
+++ b/.github/workflows/check-coverage.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3']
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     runs-on: ${{ matrix.os }}
 
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7259097a..0cb6f814 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -48,7 +48,7 @@ jobs:
         # If you wish to specify custom queries, you can do so here or in a config file.
         # By default, queries listed here will override any specified in a config file.
         # Prefix the list here with "+" to use these queries and those in the config file.
-        
+
         # Details on CodeQL's query packs refer to : https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
         # queries: security-extended,security-and-quality
 
diff --git a/.github/workflows/generate-metadata.yml b/.github/workflows/generate-metadata.yml
index 2e46c5b5..53449eb9 100644
--- a/.github/workflows/generate-metadata.yml
+++ b/.github/workflows/generate-metadata.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: '3.12'
 
     - name: Install App and Extras
       run: |
diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index 43e59ec5..d9b65a93 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -64,7 +64,7 @@ jobs:
 
     - uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: 3.12
 
     - name: Install dependencies and build
       run: |
@@ -94,7 +94,7 @@ jobs:
         cd dist/${{ matrix.TARGET }}
         tar -cvf ${{ matrix.UPLOAD_FILE_NAME }} ${{ matrix.OUT_FILE_NAME }}
 
-    
+
     - name: Upload binaries to release for ${{ matrix.TARGET }}
       uses: svenstaro/upload-release-action@v2
       with:
@@ -104,4 +104,3 @@ jobs:
         tag: ${{ github.ref_name }}
         overwrite: true
         promote: true
-
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index d08307ff..bc101762 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.12
       - name: Build dist files
         run: |
           python --version
@@ -41,4 +41,3 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1  # license BSD-2
         with:
           password: ${{ secrets.PYPI_API_TOKEN }}
-
diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 0ecb2183..023a4a7d 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.x']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     runs-on: ${{ matrix.os }}
 
diff --git a/.github/workflows/run-e2-tests.yml b/.github/workflows/run-e2-tests.yml
index 68a8014b..81ebb4f6 100644
--- a/.github/workflows/run-e2-tests.yml
+++ b/.github/workflows/run-e2-tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     runs-on: ${{ matrix.os }}
 
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index fd9a4804..4e9d279a 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     runs-on: ${{ matrix.os }}
 
diff --git a/pyproject.toml b/pyproject.toml
index b1fe6e0a..5cc6d5f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ tabcmd = ["tabcmd.locales/**/*.mo"]
 [tool.black]
 line-length = 120
 required-version = 22
-target-version = ['py38', 'py39', 'py310', 'py311']
+target-version = ['py39', 'py310', 'py311']
 extend-exclude = '^/bin/*'
 [tool.mypy]
 disable_error_code = [
@@ -31,14 +31,15 @@ description="A command line client for working with Tableau Server."
 authors = [{name="Tableau", email="github@tableau.com"}]
 license = {file = "LICENSE"}
 readme = "res/README.md"
-requires-python = ">=3.7"  # https://devguide.python.org/versions/
+requires-python = ">=3.9"  # https://devguide.python.org/versions/
 classifiers = [
   "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 :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13"
 ]
 dependencies = [
     "appdirs",