diff --git a/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc b/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc
index 28c8b33..6de7c75 100644
--- a/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc
+++ b/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc
@@ -6,7 +6,7 @@
 LIC_FILES_CHKSUM = "file://Licenses/README;md5=30503fd321432fc713238f582193b78e"
 
 UBRANCH = "npcm7xx-v2019.01"
-SRC_URI = "git://github.com/Nuvoton-Israel/u-boot.git;branch=${UBRANCH}"
+SRC_URI = "git://github.com/Nuvoton-Israel/u-boot.git;branch=${UBRANCH};protocol=https"
 SRCREV = "7578a59e968d23eed2830f766d52cd4d3c7f95df"
 
 S = "${WORKDIR}/git"