diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 098ad15..22afd8d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - uses: TrueBrain/actions-flake8@v2
         with:
           flake8_version: 6.0.0
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: "3.10"
 
       - run: |
           pip install poetry
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f3ab535..f1e5543 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,17 +13,17 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install tox~=4.0 tox-gh-actions~=3.0
-    - run: tox
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install tox~=4.0 tox-gh-actions~=3.0
+      - run: tox
diff --git a/pyproject.toml b/pyproject.toml
index 7dbf17f..0aeddce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mandible"
-version = "0.10.2"
+version = "0.10.3"
 description = "A generic framework for writing satellite data ingest systems"
 authors = ["Rohan Weeden <reweeden@alaska.edu>", "Matt Perry <mperry37@alaska.edu>"]
 license = "APACHE-2"
@@ -12,7 +12,7 @@ build-backend = "poetry.core.masonry.api"
 
 
 [tool.poetry.dependencies]
-python = ">=3.9"
+python = ">=3.10"
 
 # Required
 typing-extensions = "^4.12.2"
@@ -20,7 +20,7 @@ typing-extensions = "^4.12.2"
 # Optional
 h5py = { version = "^3.6.0", optional = true }
 jsonpath-ng = { version = "^1.4.0", optional = true }
-lxml = { version = "^4.9.2", optional = true }
+lxml = { version = ">=4.9.2,<7.0.0", optional = true }
 # Numpy is pinned to a minimum version by h5py. Unpinning here means our
 # requirements will always match those of h5py.
 numpy = { version = "*", optional = true }
diff --git a/tests/test_format.py b/tests/test_format.py
index 100c41f..b893d34 100644
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -1,6 +1,7 @@
 import bz2
 import io
 import json
+import sys
 import zipfile
 from unittest import mock
 
@@ -339,7 +340,9 @@ def test_zipinfo_jsonpath():
     format = ZipInfo()
 
     assert format.get_value(file, Key("infolist[1].compress_size")) == 21
-    assert format.get_value(file, Key("infolist[1]")) == {
+    infolist_item = format.get_value(file, Key("infolist[1]"))
+
+    expected = {
         "CRC": 3800794396,
         "comment": b"",
         "compress_size": 21,
@@ -360,6 +363,11 @@ def test_zipinfo_jsonpath():
         "volume": 0,
     }
 
+    if sys.version_info >= (3, 13, 0):
+        expected["compress_level"] = None
+
+    assert infolist_item == expected
+
 
 @pytest.mark.xml
 def test_xml():
diff --git a/tox.ini b/tox.ini
index 92e348a..e5873f7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,14 +2,15 @@
 requires =
     tox>4
 isolated_build = true
-env_list = py{39,310,311,312}-X{all,none}, py39-Xall-jp{14,15,16}
+env_list = py{310,311,312,313,314}-X{all,none}, py310-Xall-jp{14,15,16}
 
 [gh-actions]
 python =
-    3.9: py39
     3.10: py310
     3.11: py311
     3.12: py312
+    3.13: py313
+    3.14: py314
 
 [testenv]
 allowlist_externals = poetry