diff --git a/azuredeploy.json b/azuredeploy.json
index 57e906d..da538ce 100644
--- a/azuredeploy.json
+++ b/azuredeploy.json
@@ -17,7 +17,14 @@
         },
         "solrVersion": {
             "type": "string",
-            "defaultValue": "6.6.2"
+			"allowedValues": [
+                "6.6.1",
+				"6.6.2",
+                "6.6.3",
+                "7.2.1",
+                "7.5.0",
+				"8.1.1"
+            ]
         },
         "skuName": {
             "defaultValue": "S1",