diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4be3b7a..0403798 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.8", "3.9", "3.10", "3.11" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12-dev" ]
         python-source: [ "github", "winstore" ]
         # PySide2 and PySide6 produce very long paths that can't be packaged
         # by WiX. Disable these targets until the problem has been fixed.
diff --git a/.gitignore b/.gitignore
index 06aca00..7b5f52d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,6 @@
 .vscode
 .idea
 venv/
-stub/windows/
-stub/briefcase.*.log
+stub/build/
+stub/dist/
+stub/logs/
diff --git a/{{ cookiecutter.format }}/briefcase.toml b/{{ cookiecutter.format }}/briefcase.toml
index 700cca2..1192360 100644
--- a/{{ cookiecutter.format }}/briefcase.toml	
+++ b/{{ cookiecutter.format }}/briefcase.toml	
@@ -7,7 +7,8 @@ support_path = "x64/Release"
     "3.8": "support_revision = 10",
     "3.9": "support_revision = 13",
     "3.10": "support_revision = 11",
-    "3.11": "support_revision = 3",
+    "3.11": "support_revision = 5",
+    "3.12": "support_revision = 1",
 }.get(cookiecutter.python_version|py_tag, "") }}
 
 icon = "{{ cookiecutter.formal_name }}/icon.ico"