diff --git a/kubernetes/template/DeploymentTemplates/MainTemplate.json b/kubernetes/template/DeploymentTemplates/MainTemplate.json
index a59cbaf..d054eb5 100644
--- a/kubernetes/template/DeploymentTemplates/MainTemplate.json
+++ b/kubernetes/template/DeploymentTemplates/MainTemplate.json
@@ -103,7 +103,7 @@
     },
     "aksEngineReleaseVersion": {
       "type": "string",
-      "defaultValue": "v0.38.5",
+      "defaultValue": "v0.39.1",
       "metadata": {
         "description": "The version of AKS Engine to download"
       }
diff --git a/kubernetes/template/DeploymentTemplates/azuredeploy.json b/kubernetes/template/DeploymentTemplates/azuredeploy.json
index 0eae6f6..d90d0ff 100644
--- a/kubernetes/template/DeploymentTemplates/azuredeploy.json
+++ b/kubernetes/template/DeploymentTemplates/azuredeploy.json
@@ -95,7 +95,7 @@
     },
     "aksEngineReleaseVersion": {
       "type": "string",
-      "defaultValue": "v0.38.5",
+      "defaultValue": "v0.39.1",
       "metadata": {
         "description": "The version of AKS Engine to download"
       }