diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4cb366c8..38ed3913 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -26,12 +26,10 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         root-version: ["6.24", "6.26", "6.28"]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
         exclude:
           - root-version: "6.24"
             python-version: "3.10"
-          - root-version: "6.24"
-            python-version: "3.11"
           - root-version: "6.26"
             python-version: "3.6"
           - root-version: "6.26"
@@ -43,7 +41,7 @@ jobs:
         include:
           - os: macos-latest
             root-version: "6.28"
-            python-version: "3.11"
+            python-version: "3.10"
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 0d9a16f7..b52988e9 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -9,7 +9,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.11"
+    python: "3.10"
 
 # Build documentation in the "docs/" directory with Sphinx
 sphinx:
diff --git a/setup.py b/setup.py
index f1d70ef2..e645fd23 100644
--- a/setup.py
+++ b/setup.py
@@ -33,12 +33,11 @@
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
-        'Programming Language :: Python :: 3.11',
     ],
     keywords='HEPData physics OpenData',
     packages=find_packages(exclude=['contrib', 'docs', 'tests']),
     zip_safe=False,
-    python_requires='>=3.6',
+    python_requires='>=3.6,<3.11',
     install_requires=DEPS,
     extras_require={
         'test': [