diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 370a2d8..98eedd8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
   caching:
     strategy:
       matrix:
-        python-version: ["3.11", "3.15"]
+        python-version: ["3.12", "3.15"]
         os: [ubuntu-latest]
       fail-fast: false
     env:
@@ -52,7 +52,7 @@ jobs:
     needs: caching
     strategy:
       matrix:
-        python-version: ["3.11", "3.15"]
+        python-version: ["3.12", "3.15"]
         os: [ubuntu-latest]
         submodule:
           # - { name: "io", pytest_args: "tests/test_io.py" } # To do
diff --git a/environment-dev.yml b/environment-dev.yml
index 4dd3cba..4c33fcf 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
 dependencies:
   - python>=3.12
-  - matplotlib=3.11.0 # The exact version is important for visualization tests
+  - matplotlib=3.11.2 # The exact version is important for visualization tests
   - osmnx>=2
   - geojson
 
diff --git a/pyproject.toml b/pyproject.toml
index f2791f3..2e17df7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
@@ -33,7 +32,7 @@ classifiers = [
     "Natural Language :: English",
     "Topic :: Scientific/Engineering :: GIS",
 ]
-requires-python = ">=3.11"
+requires-python = ">=3.12"
 dependencies = [
     "geopandas>=1",
     "matplotlib",