Setting imagePullPolicy to Always

Change-Id: Iada3d3656a672154da6641c3ee55b57ec4c28fcb
diff --git a/dhcp-server/values.yaml b/dhcp-server/values.yaml
index cc46338..b0c8bb9 100644
--- a/dhcp-server/values.yaml
+++ b/dhcp-server/values.yaml
@@ -15,7 +15,7 @@
 # helm install dhcp-server -n dhcp-server
 
 dhcpServerImage: 'networkboot/dhcpd:latest'
-imagePullPolicy: IfNotPresent
+imagePullPolicy: Always
 
 config: |