diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 43e013ee12..2afb5d14fa 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v3
@@ -110,7 +110,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.11"
 
       - name: Install dependencies
         run: |
diff --git a/pyproject.toml b/pyproject.toml
index 11c075bd79..4486175d51 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "lsst-daf-butler"
-requires-python = ">=3.10.0"
+requires-python = ">=3.11.0"
 description = "An abstraction layer for reading and writing astronomical data to datastores."
 license = {text = "BSD 3-Clause License"}
 readme = "README.md"
@@ -16,7 +16,7 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.11",
     "Topic :: Scientific/Engineering :: Astronomy",
 ]