Update values.yaml
diff --git a/charts/devlake/values.yaml b/charts/devlake/values.yaml
index f21840a..6ca53b0 100644
--- a/charts/devlake/values.yaml
+++ b/charts/devlake/values.yaml
@@ -17,7 +17,7 @@
 
 # replica count for dev
 replicaCount: 1
-imageTag: v0.15.1-beta6
+imageTag: v0.16.0-beta4
 
 mysql:
   # if use external mysql server, please set true