diff --git a/0_prepare.sh b/0_prepare.sh
index 6750fa3..e0379d1 100755
--- a/0_prepare.sh
+++ b/0_prepare.sh
@@ -18,7 +18,7 @@ PATCH_DIR="$BASE_DIR/patches"
 OUT_DIR="$BASE_DIR/out"
 
 QNAP_DEVICE="TS-X53D"
-QNAP_VER="4.5.2-20210406"
+QNAP_VER="4.5.3-20210602"
 QNAP_DIR="$SRC_DIR/GPL_QTS"
 
 KERNEL_VER="4.14"
diff --git a/README.md b/README.md
index f2c256a..ce6e93a 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,7 @@ Currently the modules are only compiled for the `x86_64` architecture!
 
 The modules are based on the GPL QTS version
 
-    4.5.2
-
-~But they also work up to QTS version `4.4.3`.~
+    4.5.3