diff --git a/package/uuu/uuu.hash b/package/uuu/uuu.hash
index cc1cd83266..a5b665620c 100644
--- a/package/uuu/uuu.hash
+++ b/package/uuu/uuu.hash
@@ -1,4 +1,4 @@
 # locally computed
-sha256  932c0a4acde0f52b907f5693c6d133c83142c4ca6e9df05a38b3ac1e50628883  uuu_source-1.5.11.tar.gz
+sha256  e89d3665af499ab71360d948176cf64619b082f8272a994d1fbfc000e67c0f14  uuu_source-1.5.21.tar.gz
 sha256  cc8d47f7b9260f6669ecd41c24554c552f17581d81ee8fc602c6d23edb8bf495  LICENSE
 sha256  584bfbb18b4c08b872d48b80419dd453307212a144134fb516bd6ddc0700c2e8  README.md
diff --git a/package/uuu/uuu.mk b/package/uuu/uuu.mk
index 647015e2dd..1a5f84ce4d 100644
--- a/package/uuu/uuu.mk
+++ b/package/uuu/uuu.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-UUU_VERSION = 1.5.11
+UUU_VERSION = 1.5.21
 UUU_SOURCE = uuu_source-$(UUU_VERSION).tar.gz
 UUU_SITE = https://github.com/NXPmicro/mfgtools/releases/download/uuu_$(UUU_VERSION)
 UUU_LICENSE = BSD 3-Clause "New" or "Revised" License