diff --git a/config/common.mk b/config/common.mk
index 4a64ce7bf13c2def51a72f5d5e91ac7e2e727f1d..39d8bf60c4cc383c2919a307280b027283af5a04 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -244,7 +244,7 @@ endif
 DEVICE_PACKAGE_OVERLAYS += vendor/lineage/overlay/common
 
 PRODUCT_VERSION_MAJOR = 0
-PRODUCT_VERSION_MINOR = 5
+PRODUCT_VERSION_MINOR = 6
 PRODUCT_VERSION_MAINTENANCE := 0
 
 ifeq ($(TARGET_VENDOR_SHOW_MAINTENANCE_VERSION),true)
diff --git a/prebuilt/common/bin/backuptool.sh b/prebuilt/common/bin/backuptool.sh
index fa5ff731260381a95a94a03d4f0afa25044dfa80..c93d46ee124880df77b65327790698c17a302e8b 100755
--- a/prebuilt/common/bin/backuptool.sh
+++ b/prebuilt/common/bin/backuptool.sh
@@ -5,7 +5,7 @@
 
 export C=/tmp/backupdir
 export S=/system
-export V=0.5
+export V=8.1
 
 export ADDOND_VERSION=1
 
@@ -48,7 +48,7 @@ check_prereq() {
 if [ ! -r /system/build.prop ]; then
     return 0
 fi
-if ! grep -q "^ro.lineage.version=$V.*" /system/build.prop; then
+if ! grep -q "^ro.build.version.release=$V.*" /system/build.prop; then
   echo "Not backing up files from incompatible version: $V"
   return 0
 fi
diff --git a/prebuilt/common/bin/backuptool_ab.sh b/prebuilt/common/bin/backuptool_ab.sh
index c738e446ae301bee64a56d975e972bf992a9f085..099b11f63f303f879bb36a750120b80dd70183d3 100755
--- a/prebuilt/common/bin/backuptool_ab.sh
+++ b/prebuilt/common/bin/backuptool_ab.sh
@@ -5,7 +5,7 @@
 
 export S=/system
 export C=/postinstall/tmp/backupdir
-export V=0.5
+export V=8.1
 
 export ADDOND_VERSION=2