diff --git a/dockers/docker-dhcp-relay/Dockerfile b/dockers/docker-dhcp-relay/Dockerfile
index fdb00bc1e21..f664d89a4a2 100644
--- a/dockers/docker-dhcp-relay/Dockerfile
+++ b/dockers/docker-dhcp-relay/Dockerfile
@@ -1,16 +1,18 @@
 FROM docker-base
 
-# Dependencies for sonic-cfggen
-RUN apt-get install -y python-lxml python-jinja2 python-netaddr python-ipaddr python-yaml
-
 ## Make apt-get non-interactive
 ENV DEBIAN_FRONTEND=noninteractive
 
+# Update APT package lists
+RUN apt-get update
+
+# Dependencies for sonic-cfggen
+RUN apt-get -y install python-lxml python-jinja2 python-netaddr python-ipaddr python-yaml
+
 ## Install isc-dhcp-relay and clean up afterward
-RUN apt-get update                          \
-    && apt-get -y install isc-dhcp-relay    \
-    && apt-get clean -y                     \
-    && apt-get autoclean -y                 \
+RUN apt-get -y install isc-dhcp-relay   \
+    && apt-get clean -y                 \
+    && apt-get autoclean -y             \
     && apt-get autoremove -y
 
 COPY ["isc-dhcp-relay.j2", "/usr/share/dhcp-relay/"]