diff --git a/docs/support_matrix.rst b/docs/support_matrix.rst
index 1eda070a0..e28e61edd 100644
--- a/docs/support_matrix.rst
+++ b/docs/support_matrix.rst
@@ -25,7 +25,7 @@ of this support is:
     * - s390x
       - ✓
       - ✓
-      - ✓
+      - ✓ (currently broken on Linux ≥ 6.10)
     * - ppc64
       - ✓
       - ✓
@@ -70,7 +70,7 @@ currently fully supported are:
 
 .. Keep this in sync with vmtest/config.py.
 
-- 6.0-6.10
+- 6.0-6.11
 - 5.10-5.19
 - 5.4
 - 4.19
diff --git a/vmtest/config.py b/vmtest/config.py
index a8121c831..9c99f4545 100644
--- a/vmtest/config.py
+++ b/vmtest/config.py
@@ -13,6 +13,7 @@
 # Kernel versions that we run tests on and therefore support. Keep this in sync
 # with docs/support_matrix.rst.
 SUPPORTED_KERNEL_VERSIONS = (
+    "6.11",
     "6.10",
     "6.9",
     "6.8",