diff --git a/pkgs/os-specific/linux/kernel/hardened/patches.json b/pkgs/os-specific/linux/kernel/hardened/patches.json
index 6112023fc777..59dc1a61d425 100644
--- a/pkgs/os-specific/linux/kernel/hardened/patches.json
+++ b/pkgs/os-specific/linux/kernel/hardened/patches.json
@@ -20,8 +20,8 @@
         "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.8.18.a/linux-hardened-5.8.18.a.patch"
     },
     "5.9": {
-        "name": "linux-hardened-5.9.8.a.patch",
-        "sha256": "1sb4rsd3yfh49aqg5j24zav9x38c44q7d9pyx6pb8pl368rd26l4",
-        "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.9.8.a/linux-hardened-5.9.8.a.patch"
+        "name": "linux-hardened-5.9.9.a.patch",
+        "sha256": "0qm4rs22rcclhcw691adwy939ch28ibq4ncngzp2x0wlvb2zggy2",
+        "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.9.9.a/linux-hardened-5.9.9.a.patch"
     }
 }