diff --git a/.github/workflows/PR.yml b/.github/workflows/PR.yml
index f666c46..5c04cdc 100644
--- a/.github/workflows/PR.yml
+++ b/.github/workflows/PR.yml
@@ -13,56 +13,44 @@ on:
   workflow_call:
   workflow_dispatch:
 
-env:
-  POETRY_VERSION: 1.8.1
-
 jobs:
   checks:
-    runs-on: ubuntu-latest
-    env:
-      PYTHON_VERSION: 3.11  # Use latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-latest]
+        python-version: [3.9, 3.14] # oldest supported and latest tested
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-        with:
-          python-version: ${{ env.PYTHON_VERSION }}
-      - uses: Gr1N/setup-poetry@v8
+      - name: Check out repo
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: ni/python-actions/setup-python@9768589f3e50672173dad75a6fc181e4a85d33fa # v0.7.0
         with:
-          poetry-version: ${{ env.POETRY_VERSION }}
-      # @TODO: This is a workaround for there not being a way to check the lock file
-      #   See: https://github.com/python-poetry/poetry/issues/453
-      - name: Check for lock changes
-        run: |
-          poetry lock --check
-      - uses: actions/cache@v4
-        with:
-          path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
-      - name: Install the Package
-        run: poetry install -vvv
-      - name: Lint the Code
-        run: poetry run ni-python-styleguide lint
+          python-version: ${{ matrix.python-version }}
+      - uses: ni/python-actions/setup-poetry@9768589f3e50672173dad75a6fc181e4a85d33fa # v0.7.0
+      - uses: ni/python-actions/analyze-project@9768589f3e50672173dad75a6fc181e4a85d33fa # v0.7.0
 
   tests:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [macos-latest, windows-latest, ubuntu-latest]
-        python-version: [3.8, 3.9, '3.10', 3.11, 3.12, 3.13]
+        python-version: [3.9, '3.10', 3.11, 3.12, 3.13, 3.14, 3.14t]
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - name: Check out repo
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - name: Set up Python
+        id: setup-python
+        uses: ni/python-actions/setup-python@9768589f3e50672173dad75a6fc181e4a85d33fa # v0.7.0
         with:
           python-version: ${{ matrix.python-version }}
-
-      - uses: Gr1N/setup-poetry@v8
-        with:
-          poetry-version: ${{ env.POETRY_VERSION }}
-      - uses: actions/cache@v4
+      - name: Set up Poetry
+        uses: ni/python-actions/setup-poetry@9768589f3e50672173dad75a6fc181e4a85d33fa # v0.7.0
+      - name: Cache virtualenv
+        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
         with:
-          path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
+          path: .venv
+          key: nps-${{ runner.os }}-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('poetry.lock') }}
       - name: Install the Package
-        run: poetry install
+        run: poetry install -v
       - name: Run tests
         run: poetry run pytest -v
diff --git a/poetry.lock b/poetry.lock
index f7bd279..5ab5cdc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "better-diff"
@@ -177,20 +177,6 @@ files = [
 pycodestyle = "*"
 setuptools = "*"
 
-[[package]]
-name = "flake8-tidy-imports"
-version = "4.10.0"
-description = "A flake8 plugin that helps you write tidier imports."
-optional = false
-python-versions = ">=3.8"
-files = [
-    {file = "flake8_tidy_imports-4.10.0-py3-none-any.whl", hash = "sha256:b0387fb2ea200441bd142309e716fb7b8f4b0937bdf5f8b7c0c118a5f5e2b8ed"},
-    {file = "flake8_tidy_imports-4.10.0.tar.gz", hash = "sha256:bd6cf86465402d2b86903009b748d85a628e599e17b76e810c9857e3a2815173"},
-]
-
-[package.dependencies]
-flake8 = ">=3.8.0"
-
 [[package]]
 name = "flake8-tidy-imports"
 version = "4.11.0"
@@ -494,5 +480,5 @@ files = [
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.8"
-content-hash = "a8aef2d773dabdd18223fcb2aabce153b8a4f45750fe636d15acf5b47143ea16"
+python-versions = "^3.9"
+content-hash = "446aa7a19ff8421be0be338dc39fe9926dc8f1757ec24188a99dfe63cb2809f6"
diff --git a/poetry.toml b/poetry.toml
new file mode 100644
index 0000000..ab1033b
--- /dev/null
+++ b/poetry.toml
@@ -0,0 +1,2 @@
+[virtualenvs]
+in-project = true
diff --git a/pyproject.toml b/pyproject.toml
index 043e32b..c412472 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ include = ["ni_python_styleguide/config.toml"]
 
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 pathspec = ">=0.11.1"
 
 # Tools we aggregate
@@ -38,10 +38,7 @@ isort = ">=5.10"
 flake8-black = ">=0.2.1"
 flake8-docstrings = ">=1.5.0"
 flake8-import-order = ">=0.18.1,<0.19.0" # we're not compatible with 0.19.0 yet due to #226
-flake8-tidy-imports = [
-    {version = ">=4.4.1", python = ">=3.7,<3.9"},
-    {version=">=4.11.0", python="^3.9"},
-]
+flake8-tidy-imports = ">=4.11.0"
 pep8-naming = ">=0.11.1"
 
 # Rejected flake8 plugins should be listed here (in alphabetical order)