diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 16fdfd8..6e7c9f9 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - name: Cloning repo
diff --git a/renovate.json5 b/renovate.json5
index a22606f..64cbff6 100644
--- a/renovate.json5
+++ b/renovate.json5
@@ -8,6 +8,12 @@
   // `fix`/`chore`; ignore it so we keep `deps:` as the commit prefix.
   ignorePresets: [':semanticPrefixFixDepsChoreOthers'],
   semanticCommitType: 'deps',
+  // `constraintsFiltering: strict` filters out releases whose
+  // `requires-python` excludes `constraints.python`.
+  constraints: {
+    python: '>=3.10',
+  },
+  constraintsFiltering: 'strict',
   'git-submodules': {
     enabled: true,
   },
diff --git a/requirements-dev.txt b/requirements-dev.txt
index ab2cc1e..1286505 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 # This file was autogenerated by uv via the following command:
-#    uv pip compile requirements-dev.in --constraints requirements.txt -o requirements-dev.txt --python-version 3.9
+#    uv pip compile requirements-dev.in --constraints requirements.txt -o requirements-dev.txt --python-version 3.10
 absolufy-imports==0.3.1
     # via -r requirements-dev.in
 annotated-types==0.7.0
@@ -18,14 +18,18 @@ click==8.1.8
     # via
     #   black
     #   pip-tools
-coverage[toml]==7.10.4
+coverage==7.10.4
     # via pytest-cov
 datamodel-code-generator==0.33.0
     # via -r requirements-dev.in
+exceptiongroup==1.3.1
+    # via pytest
 flake8==7.3.0
     # via -r requirements-dev.in
 genson==1.3.0
     # via datamodel-code-generator
+importlib-metadata==9.0.0
+    # via build
 inflect==7.5.0
     # via datamodel-code-generator
 iniconfig==2.1.0
@@ -63,6 +67,8 @@ pathspec==0.12.1
     # via
     #   black
     #   mypy
+pip==26.1.2
+    # via pip-tools
 pip-tools==7.5.0
     # via -r requirements-dev.in
 platformdirs==4.3.8
@@ -75,9 +81,9 @@ pycodestyle==2.14.0
     # via flake8
 pycparser==2.22
     # via cffi
-pydantic==2.11.7
+pydantic==2.13.4
     # via datamodel-code-generator
-pydantic-core==2.33.2
+pydantic-core==2.46.4
     # via pydantic
 pyflakes==3.4.0
     # via flake8
@@ -110,18 +116,34 @@ pyyaml==6.0.2
     # via datamodel-code-generator
 rich==14.1.0
     # via pytest-codspeed
+setuptools==82.0.1
+    # via pip-tools
+tomli==2.4.1
+    # via
+    #   black
+    #   build
+    #   coverage
+    #   datamodel-code-generator
+    #   mypy
+    #   pip-tools
+    #   pytest
 typeguard==4.4.4
     # via inflect
 types-setuptools==80.9.0.20250809
     # via -r requirements-dev.in
 typing-extensions==4.14.1
     # via
+    #   -c requirements.txt
+    #   black
+    #   exceptiongroup
     #   mypy
     #   pydantic
     #   pydantic-core
     #   typeguard
     #   typing-inspection
-typing-inspection==0.4.1
+typing-inspection==0.4.2
     # via pydantic
 wheel==0.46.2
     # via pip-tools
+zipp==4.1.0
+    # via importlib-metadata
diff --git a/requirements.txt b/requirements.txt
index ebe0176..1d5949d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,22 @@
 # This file was autogenerated by uv via the following command:
-#    uv pip compile requirements.in --constraints requirements.txt --python-version 3.9
+#    uv pip compile requirements.in --constraints requirements.txt --python-version 3.10 -o requirements.txt
 iregexp-check==0.1.4
-    # via jsonpath-rfc9535
+    # via
+    #   -c requirements.txt
+    #   jsonpath-rfc9535
 jsonpath-rfc9535==0.1.6
-    # via -r requirements.in
+    # via
+    #   -c requirements.txt
+    #   -r requirements.in
 regex==2025.7.34
-    # via jsonpath-rfc9535
+    # via
+    #   -c requirements.txt
+    #   jsonpath-rfc9535
 semver==3.0.4
-    # via -r requirements.in
+    # via
+    #   -c requirements.txt
+    #   -r requirements.in
 typing-extensions==4.14.1
-    # via -r requirements.in
+    # via
+    #   -c requirements.txt
+    #   -r requirements.in
diff --git a/setup.py b/setup.py
index 88a86ac..d4e766a 100644
--- a/setup.py
+++ b/setup.py
@@ -12,6 +12,7 @@
     description="Flag engine for the Flagsmith API.",
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",
+    python_requires=">=3.10",
     install_requires=[
         "jsonpath-rfc9535>=0.1.5,<1",
         "semver>=3.0.4,<4",
@@ -20,10 +21,10 @@
     classifiers=[
         "License :: OSI Approved :: BSD License",
         "Programming Language :: Python :: 3",
-        "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",
+        "Programming Language :: Python :: 3.14",
     ],
 )