diff --git a/Dockerfile b/Dockerfile
index 04b51e8..d008c0b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM --platform=linux/amd64 buildpack-deps:focal-scm
 
 ARG CMAKE_VERSION=3.20.5
 ARG ZSDK_VERSION=0.14.2
-ARG ZEPHYR_ZREPO_VERSION=3.1.0-rc1
+ARG ZEPHYR_ZREPO_VERSION=3.1.0-rc3
 ARG WGET_ARGS="-q --show-progress --progress=bar:force:noscroll --no-check-certificate"
 ARG HOSTTYPE=x86_64