diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9291579..9c81c65 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,4 @@ jobs:
       fail-fast: false
       matrix:
         python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
-        # PySide6 produces very long paths that can't be packaged by WiX.
-        # Disabling until the problem has been fixed. See beeware/briefcase#948
-        # framework: [ "toga", "pyside6", "pygame", "console" ]
-        framework: [ "toga", "pygame", "console" ]
+        framework: [ "toga", "pyside6", "pygame", "console" ]
diff --git a/{{ cookiecutter.format }}/{{ cookiecutter.app_name }}.wxs b/{{ cookiecutter.format }}/{{ cookiecutter.app_name }}.wxs
index 755c6eb..dd477f2 100644
--- a/{{ cookiecutter.format }}/{{ cookiecutter.app_name }}.wxs	
+++ b/{{ cookiecutter.format }}/{{ cookiecutter.app_name }}.wxs	
@@ -43,9 +43,10 @@
         </StandardDirectory>
 
         <ComponentGroup Id="{{ cookiecutter.module_name }}_COMPONENTS">
+            <!-- "\\?\" enables long paths (https://github.com/wixtoolset/issues/issues/9115). -->
             <Files
                 Directory="INSTALLFOLDER"
-                Include="{{ cookiecutter.package_path }}\**" />
+                Include="\\?\{{ cookiecutter.package_path }}\**" />
         </ComponentGroup>
 
         <StandardDirectory Id="ProgramMenuFolder">