diff --git a/appveyor.yml b/appveyor.yml
index 96e4b9d..9718cc5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 environment:
   global:
-    CIBW_SKIP: "cp27* cp35* pp* *-win32 *-manylinux_i686"
-    CIBW_BUILD: "cp38-* cp39-* cp310-*"
+    CIBW_SKIP: "cp27* cp35* cp38-* pp* *-win32 *-manylinux_i686"
+    CIBW_BUILD: "cp39-* cp310-* cp311-*"
 
 matrix:
   - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
diff --git a/setup.py b/setup.py
index 2095a20..2e05a24 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@ def read(fname):
     version=version,
     description="Color correction plugin for rasterio",
     long_description=long_description,
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
@@ -57,6 +57,8 @@ def read(fname):
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Cython",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10"
+        "Programming Language :: Python :: 3.11"
         "Programming Language :: Python :: 3",
         "Topic :: Multimedia :: Graphics :: Graphics Conversion",
         "Topic :: Scientific/Engineering :: GIS",