diff --git a/board/sheevaplug/patches/linux-headers/linux-headers.hash b/board/sheevaplug/patches/linux-headers/linux-headers.hash
new file mode 120000
index 0000000000..5808d92afe
--- /dev/null
+++ b/board/sheevaplug/patches/linux-headers/linux-headers.hash
@@ -0,0 +1 @@
+../linux/linux.hash
\ No newline at end of file
diff --git a/board/sheevaplug/patches/linux/linux.hash b/board/sheevaplug/patches/linux/linux.hash
new file mode 100644
index 0000000000..b207306a2b
--- /dev/null
+++ b/board/sheevaplug/patches/linux/linux.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  0820fdb7971c6974338081c11fbf2dc869870501e7bdcac4d0ed58ba1f57b61c  linux-4.14.336.tar.xz
diff --git a/board/sheevaplug/patches/uboot/uboot.hash b/board/sheevaplug/patches/uboot/uboot.hash
new file mode 100644
index 0000000000..d6818bac36
--- /dev/null
+++ b/board/sheevaplug/patches/uboot/uboot.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  9f10df88bc91b35642e461217f73256bbaeeca9ae2db8db56197ba5e89e1f6d4  u-boot-2018.07.tar.bz2
diff --git a/configs/sheevaplug_defconfig b/configs/sheevaplug_defconfig
index 0879f17071..6b3719a507 100644
--- a/configs/sheevaplug_defconfig
+++ b/configs/sheevaplug_defconfig
@@ -4,6 +4,7 @@ BR2_arm926t=y
 
 # system
 BR2_GLOBAL_PATCH_DIR="board/sheevaplug/patches"
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_TARGET_GENERIC_GETTY=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
 BR2_SYSTEM_DHCP="eth0"