diff --git a/tier1/Dockerfile b/tier1/Dockerfile
index ccd0814e..24d89e8c 100644
--- a/tier1/Dockerfile
+++ b/tier1/Dockerfile
@@ -5,7 +5,7 @@ RUN echo deb http://deb.debian.org/debian/ bullseye main > /etc/apt/sources.list
     echo deb http://deb.debian.org/debian/ experimental main > /etc/apt/sources.list.d/experimental.list && \
     apt-get update && \
     apt-get install -y --no-install-recommends \
-        curl file gcc g++ python3-full python3-pip python3-dev python3-setuptools python3-wheel cython3 libseccomp-dev bzip2 gzip \
+        curl file gcc g++ python3-full python3-pip python3-dev python3-setuptools python3-wheel python3-distutils cython3 libseccomp-dev bzip2 gzip \
         python2 fp-compiler libxtst6 tini ca-certificates-java openjdk-8-jdk-headless openjdk-8-jre-headless \
         $([ "$(arch)" = aarch64 ] && echo binutils-arm-linux-gnueabihf) && \
     mkdir -p /etc/perl && \