diff --git a/appveyor.yml b/appveyor.yml
index 25d86433..09a6b917 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -12,11 +12,11 @@ environment:
         WIN_SDK_ROOT: "C:\\Program Files\\Microsoft SDKs\\Windows"
 
     matrix:
-        # Python 3.11
-        - BUILD_PY_PATH: "C:\\Python311-x64;C:\\Python311-x64\\Scripts"
-          TEST_PY_PATH: "C:\\Python311-x64;C:\\Python311-x64\\Scripts"
+        # Python 3.12
+        - BUILD_PY_PATH: "C:\\Python312-x64;C:\\Python312-x64\\Scripts"
+          TEST_PY_PATH: "C:\\Python312-x64;C:\\Python312-x64\\Scripts"
           INSTALL_CMD: "python -m pip install --upgrade --pre"
-          H5PY_OLDER_VERSION: "3.8.0"
+          H5PY_OLDER_VERSION: "3.10.0"
 
         # Miniconda37
         - BUILD_PY_PATH: "C:\\Python37-x64;C:\\Python37-x64\\Scripts"