diff --git a/Dockerfile b/Dockerfile
index 5b002ee..ae1bc6b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,6 +9,7 @@ RUN apt install -y g++-mingw-w64-x86-64 \
 	g++-aarch64-linux-gnu libc6-dev-arm64-cross
 
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+RUN source "$HOME/.cargo/env"
 
 ENV CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc \
 	CC_armv7_unknown_Linux_gnueabihf=arm-linux-gnueabihf-gcc \