diff --git a/packages/linux/package.mk b/packages/linux/package.mk
index f5cc93e93d..5aa68e88db 100644
--- a/packages/linux/package.mk
+++ b/packages/linux/package.mk
@@ -28,8 +28,8 @@ case "${LINUX}" in
     PKG_SOURCE_NAME="linux-${LINUX}-${PKG_VERSION}.tar.gz"
     ;;
   *)
-    PKG_VERSION="5.10.17"
-    PKG_SHA256="e84e623ce8bb2446ec026b62eafa3b18480aa6fb6ae9c86cd8f18651324d4814"
+    PKG_VERSION="5.10.21"
+    PKG_SHA256="9e7fe6ff1665bb578e8a88e761f6727b7f170a81563b93c1d49bd0bb7d7de2af"
     PKG_URL="https://www.kernel.org/pub/linux/kernel/v5.x/${PKG_NAME}-${PKG_VERSION}.tar.xz"
     PKG_PATCH_DIRS="default"
     ;;