diff --git a/.github/workflows/matrix-and-codecov-on-merge-to-main.yml b/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
index 429bc44..091c71b 100644
--- a/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
+++ b/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-13, macos-14]
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12"]
     env:
           LATEST_PYTHON_VERSION: "3.12"
     steps:
diff --git a/README.rst b/README.rst
index d9f026a..88ee7fa 100644
--- a/README.rst
+++ b/README.rst
@@ -72,7 +72,7 @@ If you use diffpy.pdffit2 in a scientific publication, we would like you to cite
 Installation
 ------------
 
-diffpy.pdffit2 requires Python 3.10 or later and
+diffpy.pdffit2 requires Python 3.11 or later and
 the following external software:
 
 * ``setuptools`` - software distribution tools for Python
diff --git a/news/py312.rst b/news/py312.rst
index 301a9fd..2897ff0 100644
--- a/news/py312.rst
+++ b/news/py312.rst
@@ -1,6 +1,6 @@
 **Added:**
 
-* Python 3.10, 3.11, 3.12 support
+* Python 3.11, 3.12 support
 
 **Changed:**
 
@@ -12,7 +12,7 @@
 
 **Removed:**
 
-* Python <= 3.9 support
+* Python <= 3.10 support
 
 **Fixed:**
 
diff --git a/pyproject.toml b/pyproject.toml
index 4f02b7d..7df539b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ maintainers = [
 description = "PDFfit2 - real space structure refinement program."
 keywords = ["PDF", "structure refinement"]
 readme = "README.rst"
-requires-python = ">=3.10, <3.13"
+requires-python = ">=3.11, <3.13"
 classifiers = [
         'Development Status :: 5 - Production/Stable',
         'Environment :: Console',
@@ -25,7 +25,6 @@ classifiers = [
         'Operating System :: Microsoft :: Windows',
         'Operating System :: POSIX',
         'Operating System :: Unix',
-        'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Topic :: Scientific/Engineering :: Physics',