diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 1c039ebd..ed7c35e6 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11']
+        python-version: ['3.9']
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 6fd69bb9..c5e7ed87 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11']
+        python-version: ['3.9', '3.10']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/pyproject.toml b/pyproject.toml
index 4d2a5871..c0cceada 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,14 +43,13 @@ generated-members=['numpy.*', 'torch.*', 'np.*']
 [tool.tox]
 legacy_tox_ini = """
 [tox]
-envlist = py39, py310, py311
+envlist = py39, py310
 skip_missing_interpreters=true
 
 [gh-actions]
 python =
     3.9: py39
     3.10: py310
-    3.11: py311
 [testenv]
 deps = pytest
 extras = dev