diff --git a/export-noobs/00-release/00-run.sh b/export-noobs/00-release/00-run.sh
index b5f1272..1d0b12f 100755
--- a/export-noobs/00-release/00-run.sh
+++ b/export-noobs/00-release/00-run.sh
@@ -10,6 +10,9 @@ install -v		files/release_notes.txt		"${NOOBS_DIR}/"
 
 tar -v -c -C		files/marketing			-f "${NOOBS_DIR}/marketing.tar" .
 
+BOOT_SHASUM="$(sha256sum "${NOOBS_DIR}/boot.tar.xz" | cut -f1 -d' ')"
+ROOT_SHASUM="$(sha256sum "${NOOBS_DIR}/root.tar.xz" | cut -f1 -d' ')"
+
 BOOT_SIZE="$(xz --robot -l "${NOOBS_DIR}/boot.tar.xz"  | grep totals | cut -f 5)"
 ROOT_SIZE="$(xz --robot -l "${NOOBS_DIR}/root.tar.xz"  | grep totals | cut -f 5)"
 
@@ -21,6 +24,9 @@ ROOT_NOM="$(( ROOT_SIZE + 400 ))"
 
 mv "${NOOBS_DIR}/OS.png" "${NOOBS_DIR}/${NOOBS_NAME// /_}.png"
 
+sed "${NOOBS_DIR}/partitions.json" -i -e "s|BOOT_SHASUM|${BOOT_SHASUM}|"
+sed "${NOOBS_DIR}/partitions.json" -i -e "s|ROOT_SHASUM|${ROOT_SHASUM}|"
+
 sed "${NOOBS_DIR}/partitions.json" -i -e "s|BOOT_SIZE|${BOOT_SIZE}|"
 sed "${NOOBS_DIR}/partitions.json" -i -e "s|ROOT_SIZE|${ROOT_SIZE}|"
 
diff --git a/export-noobs/00-release/files/partitions.json b/export-noobs/00-release/files/partitions.json
index c2e2bcb..3d06017 100644
--- a/export-noobs/00-release/files/partitions.json
+++ b/export-noobs/00-release/files/partitions.json
@@ -6,7 +6,8 @@
             "mkfs_options": "-F 32",
             "partition_size_nominal": BOOT_NOM,
             "uncompressed_tarball_size": BOOT_SIZE,
-            "want_maximised": false
+            "want_maximised": false,
+            "sha256sum": "BOOT_SHASUM"
         },
         {
             "filesystem_type": "ext4",
@@ -14,7 +15,8 @@
             "mkfs_options": "-O ^huge_file",
             "partition_size_nominal": ROOT_NOM,
             "uncompressed_tarball_size": ROOT_SIZE,
-            "want_maximised": true
+            "want_maximised": true,
+            "sha256sum": "ROOT_SHASUM"
         }
     ]
 }