From b02db96272cfcda86f3fd3f4fd7a3112a82c1430 Mon Sep 17 00:00:00 2001
From: Conor MacBride <conor@macbride.me>
Date: Tue, 13 Jan 2026 23:05:33 +0000
Subject: [PATCH] Update minimum Python and dependency versions for package and
 tests

---
 .github/workflows/test_and_publish.yml | 33 +++++++++++++-------------
 pyproject.toml                         |  9 ++++---
 tox.ini                                | 22 ++++-------------
 3 files changed, 25 insertions(+), 39 deletions(-)

diff --git a/.github/workflows/test_and_publish.yml b/.github/workflows/test_and_publish.yml
index 49db011a..61fe386a 100644
--- a/.github/workflows/test_and_publish.yml
+++ b/.github/workflows/test_and_publish.yml
@@ -29,26 +29,25 @@ jobs:
           - inkscape
       envs: |
         # Test oldest SPEC 0 configurations
-        - linux: py311-test-mpl38
-        - macos: py311-test-mpl38
-        - windows: py311-test-mpl38
+        - linux: py312-test-mpl39
+        - macos: py312-test-mpl39
+        - windows: py312-test-mpl39
         # Test newest configurations
-        - linux: py313-test-mpl310
-        - macos: py313-test-mpl310
-        - windows: py313-test-mpl310
+        - linux: py314-test-mpl310
+        - macos: py314-test-mpl310
+        - windows: py314-test-mpl310
         # Test intermediate SPEC 0 configurations on Linux
-        - linux: py311-test-mpl39
-        - linux: py312-test-mpl39
-        - linux: py311-test-mpl310
-        - linux: py312-test-mpl310
+        - linux: py313-test-mpl39
+        - linux: py313-test-mpl310
         # Test non-SPEC 0 configurations
-        - linux: py313-test-mpldev-pytestdev
-        - linux: py311-test-mpl37-pytest74
-        - linux: py39-test-mpl33-pytest62
-        # Test oldest non-SPEC 0 configurations
-        - linux: py39-test-mpl33
-        - macos: py39-test-mpl35
-        - windows: py39-test-mpl33
+        - linux: py314-test-mpldev-pytestdev
+        - linux: py313-test-mpl38-pytest84
+        - linux: py312-test-mpl38-pytest74
+        - linux: py310-test-mpl35-pytest62
+        # Test oldest supported Python configurations
+        - linux: py310-test-mpl35
+        - macos: py310-test-mpl35
+        - windows: py310-test-mpl35
       coverage: 'codecov'
 
   publish:
diff --git a/pyproject.toml b/pyproject.toml
index 18ba6e4a..bd116e12 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,10 +25,10 @@ classifiers = [
     "Operating System :: OS Independent",
 ]
 description = "pytest plugin to help with testing figures output from Matplotlib"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
-    "pytest>=5.4.0",
-    "matplotlib>=3.3.3",
+    "pytest>=6.2.5",
+    "matplotlib>=3.5.3",
     "packaging>=22.0.0",
     "Jinja2>=2.10.2",
     "Pillow>=8.1.1",
@@ -55,7 +55,7 @@ docs = [
     "sphinx>=7.0.0",
     "mpl_sphinx_theme>=3.9.0",
     "sphinx_design>=0.6.0",
-    "matplotlib==3.9.*",
+    "matplotlib==3.10.*",
 ]
 
 [tool.setuptools]
@@ -86,4 +86,3 @@ length_sort_sections = [
     "stdlib",
 ]
 line_length = 100
-
diff --git a/tox.ini b/tox.ini
index 72affc86..39c2adfb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 envlist =
-    py{39,310,311,312}-test-mpl{33,34,35,36,37,38}
-    py312-test-mpldev-pytestdev
+    py{312,313,314}-test-mpl{35,36,37,38,39,310}-pytest{62,70,71,72,73,74,80,81,82,83,84}
+    py314-test-mpldev-pytestdev
     codestyle
 requires =
     setuptools >= 30.3.0
@@ -22,28 +22,15 @@ constrain_package_deps =
     !mpldev-!pytestdev: true
 deps =
     pytest-xdist
-    mpl20: matplotlib==2.0.*
-    mpl21: matplotlib==2.1.*
-    mpl22: matplotlib==2.2.*
-    mpl22: numpy<2
-    mpl30: matplotlib==3.0.*
-    mpl31: matplotlib==3.1.*
-    mpl31: numpy<2
-    mpl32: matplotlib==3.2.*
-    mpl33: matplotlib==3.3.*
-    mpl33: numpy<2
-    mpl34: matplotlib==3.4.*
-    mpl35: matplotlib==3.5.*
+    mpl{35,36,37,38,39}: pyparsing<3.3.0
     mpl35: numpy<2
+    mpl35: matplotlib==3.5.*
     mpl36: matplotlib==3.6.*
     mpl37: matplotlib==3.7.*
     mpl38: matplotlib==3.8.*
     mpl39: matplotlib==3.9.*
     mpl310: matplotlib==3.10.*
     mpldev: matplotlib>=0.0.dev0
-    pytest54: pytest==5.4.*
-    pytest60: pytest==6.0.*
-    pytest61: pytest==6.1.*
     pytest62: pytest==6.2.*
     pytest70: pytest==7.0.*
     pytest71: pytest==7.1.*
@@ -54,6 +41,7 @@ deps =
     pytest81: pytest==8.1.*
     pytest82: pytest==8.2.*
     pytest83: pytest==8.3.*
+    pytest84: pytest==8.4.*
     pytestdev: git+https://github.com/pytest-dev/pytest.git#egg=pytest
 extras =
     test