diff --git a/Dockerfile b/Dockerfile
index 12ebd59..0df07a0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
  && rm -rf /var/lib/apt/lists/*
 
 # install SDK
-ARG ZSDK_VERSION=0.16.0
+ARG ZSDK_VERSION=0.16.4
 RUN mkdir /opt/toolchains && cd /opt/toolchains && \
     wget -q "https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v${ZSDK_VERSION}/zephyr-sdk-${ZSDK_VERSION}_linux-x86_64_minimal.tar.xz" && \
     tar xf zephyr-sdk-${ZSDK_VERSION}_linux-x86_64_minimal.tar.xz -C . && \