Bump README custom-container cross version to incorporate fixes from
- as it relates to `dpkg --add-architecture`
@@ -112,7 +112,7 @@ This way you won't have to figure out how to install a cross C toolchain in your
custom image. Example below:
``` Dockerfile
-FROM rustembedded/cross:aarch64-unknown-linux-gnu-0.1.16
+FROM rustembedded/cross:aarch64-unknown-linux-gnu-0.2.1
RUN dpkg --add-architecture arm64 && \
apt-get update && \
