diff --git a/schemas/serviceDeployment.schema.tpl.json b/schemas/serviceDeployment.schema.tpl.json
index 1861bd0..d9f9204 100644
--- a/schemas/serviceDeployment.schema.tpl.json
+++ b/schemas/serviceDeployment.schema.tpl.json
@@ -31,7 +31,7 @@
     "endTime": {
       "type": "string",
       "_formats": [
-        "datetime"
+        "date-time"
       ],
       "_instruction": "Enter the date and time at which this deployment ended, formatted acoording to ISO-8601."
     },
@@ -57,7 +57,7 @@
     "startTime": {
       "type": "string",
       "_formats": [
-        "datetime"
+        "date-time"
       ],
       "_instruction": "Enter the date and time at which this deployment was started, formatted acoording to ISO-8601."
     },