diff --git a/service_definitions/public/gourichon_org/domain/Dockerfile b/service_definitions/public/gourichon_org/domain/Dockerfile
index ef4363a..52f4d59 100644
--- a/service_definitions/public/gourichon_org/domain/Dockerfile
+++ b/service_definitions/public/gourichon_org/domain/Dockerfile
@@ -1,6 +1,6 @@
 FROM fsg-base:latest
 
-RUN export DEBIAN_FRONTEND=noninteractive ; apt-get install --no-install-recommends -y bind9
+RUN export DEBIAN_FRONTEND=noninteractive ; apt-get update && apt-get install --no-install-recommends -y bind9
 
 COPY bind_config/named.conf.local /etc/bind/
 COPY bind_config/sites /etc/bind/sites