diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 9c9c5c9e..a09221f4 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -20,10 +20,8 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        tox-env: [py310, py311, py312, py313, py314, pypy310, pypy311, pygments]
+        tox-env: [py311, py312, py313, py314, pypy311, pygments]
         include:
-          - tox-env: py310
-            python-version: '3.10'
           - tox-env: py311
             python-version: '3.11'
           - tox-env: py312
@@ -32,8 +30,8 @@ jobs:
             python-version: '3.13'
           - tox-env: py314
             python-version: '3.14'
-          - tox-env: pypy310
-            python-version: pypy-3.10
+          - tox-env: py315
+            python-version: '3.15'
           - tox-env: pypy311
             python-version: pypy-3.11
           - tox-env: pygments
diff --git a/docs/changelog.md b/docs/changelog.md
index ea02e6d3..43867d93 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -16,6 +16,7 @@ See the [Contributing Guide](contributing.md) for details.
 
 * Inline processors now resume searching after the previous match, improving
   performance for repeated inline patterns (#1619).
+* Officially support Python 3.15 and drop support for Python 3.10
 
 ### Fixed
 
diff --git a/markdown/util.py b/markdown/util.py
index ceca1e50..29ffa247 100644
--- a/markdown/util.py
+++ b/markdown/util.py
@@ -103,10 +103,7 @@
 @lru_cache(maxsize=None)
 def get_installed_extensions():
     """ Return all entry_points in the `markdown.extensions` group. """
-    if sys.version_info >= (3, 10):
-        from importlib import metadata
-    else:  # `<PY310` use backport
-        import importlib_metadata as metadata
+    from importlib import metadata
     # Only load extension entry_points once.
     return metadata.entry_points(group='markdown.extensions')
 
diff --git a/pyproject.toml b/pyproject.toml
index b539dd95..f5e52249 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,18 +19,18 @@ maintainers = [
 ]
 license = "BSD-3-Clause"
 license-files = ["LICENSE.md"]
-requires-python = '>=3.10'
+requires-python = '>=3.11'
 keywords = ['markdown', 'markdown-parser', 'python-markdown', 'markdown-to-html']
 classifiers = [
     'Development Status :: 5 - Production/Stable',
     'Operating System :: OS Independent',
     'Programming Language :: Python',
     'Programming Language :: Python :: 3',
-    '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',
+    'Programming Language :: Python :: 3.15',
     'Programming Language :: Python :: 3 :: Only',
     'Programming Language :: Python :: Implementation :: CPython',
     'Programming Language :: Python :: Implementation :: PyPy',
diff --git a/tox.ini b/tox.ini
index 8b331dcb..44efd98d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{310, 311, 312, 313, 314}, pypy{310, 311}, pygments, flake8, checkspelling, pep517check, checklinks
+envlist = py{311, 312, 313, 314, 315}, pypy{311}, pygments, flake8, checkspelling, pep517check, checklinks
 isolated_build = True
 
 [testenv]