diff --git a/master/custom/builders.py b/master/custom/builders.py
index c40e74ba..921176f3 100644
--- a/master/custom/builders.py
+++ b/master/custom/builders.py
@@ -127,6 +127,7 @@ def get_builders(settings):
         ("AMD64 FreeBSD Non-Debug", "koobs-freebsd-9e36", SlowNonDebugUnixBuild, STABLE),
         ("AMD64 FreeBSD Shared", "koobs-freebsd-564d", SlowSharedUnixBuild, STABLE),
         # Windows
+        ("AMD64 Windows11", "kloth-win11", Windows64Build, STABLE),
         ("AMD64 Windows10 Pro", "kloth-win64", Windows64Build, STABLE),
         ("AMD64 Windows7 SP1", "kloth-win7", Windows64Build, STABLE),
         ("AMD64 Windows10", "bolen-windows10", Windows64Build, STABLE),
diff --git a/master/custom/workers.py b/master/custom/workers.py
index 7afbd3dd..7490b108 100644
--- a/master/custom/workers.py
+++ b/master/custom/workers.py
@@ -199,6 +199,11 @@ def get_workers(settings):
             parallel_tests=4,
             branches=['3.8', '3.9', '3.10', '3.x'],
         ),
+        cpw(
+            name="kloth-win11",
+            tags=['windows', 'win11', 'amd64', 'x86-64'],
+            parallel_tests=40,
+        ),
         cpw(
             name="kloth-win64",
             tags=['windows', 'win10', 'amd64', 'x86-64'],