diff --git a/packages/linux/package.mk b/packages/linux/package.mk
index ce90d23244..5d2fc6e16f 100644
--- a/packages/linux/package.mk
+++ b/packages/linux/package.mk
@@ -23,8 +23,8 @@ case "${LINUX}" in
     PKG_PATCH_DIRS="default"
     ;;
   raspberrypi)
-    PKG_VERSION="6f16847710cc0502450788b9f12f0a14d3429668" # 6.6.20
-    PKG_SHA256="462bd8bf306f9f329e0f4308c0c3f3e345d91111b28ee7ecb9aa7b65b9f3f244"
+    PKG_VERSION="3ad5288a5a9d9c621068f46d8545a9df49c8a193" # 6.6.21
+    PKG_SHA256="e5de8757292e50a33a4e7a4f029cc9517e5fe5a55e06ff983ef927bc044e1aa7"
     PKG_URL="https://github.com/raspberrypi/linux/archive/${PKG_VERSION}.tar.gz"
     PKG_SOURCE_NAME="linux-${LINUX}-${PKG_VERSION}.tar.gz"
     ;;