diff --git a/Dockerfile b/Dockerfile
index 77425010baf9e113e176fdfee88821149c05ba90..2f344a6002caca582209ed68bdf5f28e0cf6d184 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,9 @@ RUN mkdir /docker-entrypoint.d
 COPY 30-add-host-ip-entry.sh /docker-entrypoint.d/30-add-host-ip-entry.sh
 COPY docker-run.sh /docker-run.sh
 RUN mkdir -p /docker-run.d
-RUN chmod a+x /docker-entrypoint.sh && chmod a+x /docker-run.sh
+RUN chmod a+x /docker-entrypoint.sh && \
+    chmod a+x /docker-run.sh && \
+    chmod a+w /etc/hosts
 
 ENTRYPOINT [ "/docker-entrypoint.sh" ]
 CMD [ "/docker-run.sh" ]