diff --git a/rust/Dockerfile b/rust/Dockerfile
index 878b874..d05f563 100644
--- a/rust/Dockerfile
+++ b/rust/Dockerfile
@@ -1,11 +1,11 @@
-FROM debian:wheezy
+FROM debian:bullseye
 LABEL maintainer="Johannes Schickling <schickling.j@gmail.com>"
 
 # needed by cargo
 ENV USER root
 
 ADD install.sh install.sh
-RUN sh install.sh && rm install.sh
+RUN bash install.sh && rm install.sh
 
 ENV PATH=/root/.cargo/bin:$PATH
 
diff --git a/rust/install.sh b/rust/install.sh
index cef1c57..9db5412 100644
--- a/rust/install.sh
+++ b/rust/install.sh
@@ -4,7 +4,7 @@
 set -eo pipefail
 
 # install curl (needed to install rust)
-apt-get update && apt-get install -y curl gdb g++-multilib lib32stdc++6 libssl-dev libncurses5-dev
+apt-get update && apt-get install -y curl gdb
 
 # install rust + cargo nightly
 curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain nightly