diff --git a/Dockerfile b/Dockerfile
index abc9ffc..3aea7ce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,17 +14,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM busybox as static
+FROM busybox:1.33.0 as static
 RUN wget https://github.com/containernetworking/plugins/releases/download/v0.8.2/cni-plugins-linux-amd64-v0.8.2.tgz
 RUN tar xvfz cni-plugins-linux-amd64-v0.8.2.tgz
 RUN cp ./static /bin/static
+RUN cp ./dhcp /bin/dhcp
 RUN wget https://github.com/stedolan/jq/releases/download/jq-1.6/jq-linux64
 RUN cp ./jq-linux64 /bin/jq
 RUN chmod +x /bin/static /bin/jq
 
-FROM centos/systemd as omec-cni
+FROM centos/systemd@sha256:09db0255d215ca33710cc42e1a91b9002637eeef71322ca641947e65b7d53b58 as omec-cni
 WORKDIR /tmp/cni/bin
 COPY vfioveth .
 COPY --from=nfvpe/sriov-cni:v2.5 /usr/bin/sriov .
 COPY --from=static /bin/jq .
 COPY --from=static /bin/static .
+COPY --from=static /bin/dhcp .
diff --git a/VERSION b/VERSION
index 9084fa2..524cb55 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.0
+1.1.1