diff --git a/api_app/_version.py b/api_app/_version.py
index 137e5fb32a..03e87c5a3d 100644
--- a/api_app/_version.py
+++ b/api_app/_version.py
@@ -1 +1 @@
-__version__ = "0.15.19"
+__version__ = "0.15.20"
diff --git a/api_app/services/schema_service.py b/api_app/services/schema_service.py
index 4b51fcd27a..65e98012aa 100644
--- a/api_app/services/schema_service.py
+++ b/api_app/services/schema_service.py
@@ -50,7 +50,7 @@ def enrich_template(original_template, extra_properties, is_update: bool = False
     # this will help the UI render fields appropriately and know what it can send in a PATCH
     if is_update:
         for prop in template["properties"].values():
-            if not prop.get("updateable", True):
+            if not prop.get("updateable", False):
                 prop["readOnly"] = True
 
         if "allOf" in template:
@@ -58,7 +58,7 @@ def enrich_template(original_template, extra_properties, is_update: bool = False
                 for condition in ["then", "else"]:
                     if condition in conditional_property and "properties" in conditional_property[condition]:
                         for prop in conditional_property[condition]["properties"].values():
-                            if not prop.get("updateable", True):
+                            if not prop.get("updateable", False):
                                 prop["readOnly"] = True
 
     # if there is an 'allOf' property which is empty, the validator fails - so remove the key
diff --git a/templates/workspaces/base/porter.yaml b/templates/workspaces/base/porter.yaml
index ee0e27050c..42f0381fac 100644
--- a/templates/workspaces/base/porter.yaml
+++ b/templates/workspaces/base/porter.yaml
@@ -1,7 +1,7 @@
 ---
 schemaVersion: 1.0.0
 name: tre-workspace-base
-version: 1.5.1
+version: 1.5.2
 description: "A base Azure TRE workspace"
 dockerfile: Dockerfile.tmpl
 registry: azuretre
diff --git a/templates/workspaces/base/template_schema.json b/templates/workspaces/base/template_schema.json
index 8f7ffcc775..3d6cdf0e16 100644
--- a/templates/workspaces/base/template_schema.json
+++ b/templates/workspaces/base/template_schema.json
@@ -209,14 +209,14 @@
             "type": "string",
             "title": "Application (Client) ID",
             "description": "The AAD Application Registration ID for the workspace.",
-            "updatable": true
+            "updateable": true
           },
           "client_secret": {
             "type": "string",
             "title": "Application (Client) Secret",
             "description": "The AAD Application Registration secret for the workspace. This value will be stored in the Workspace Key Vault.",
             "sensitive": true,
-            "updatable": true
+            "updateable": true
           }
         },
         "required": [
diff --git a/templates/workspaces/unrestricted/porter.yaml b/templates/workspaces/unrestricted/porter.yaml
index 335960c7d8..fd3a07583c 100644
--- a/templates/workspaces/unrestricted/porter.yaml
+++ b/templates/workspaces/unrestricted/porter.yaml
@@ -1,7 +1,7 @@
 ---
 schemaVersion: 1.0.0
 name: tre-workspace-unrestricted
-version: 0.11.3
+version: 0.11.4
 description: "A base Azure TRE workspace"
 dockerfile: Dockerfile.tmpl
 registry: azuretre
diff --git a/templates/workspaces/unrestricted/template_schema.json b/templates/workspaces/unrestricted/template_schema.json
index 3fcb245023..3fbaa16a3a 100644
--- a/templates/workspaces/unrestricted/template_schema.json
+++ b/templates/workspaces/unrestricted/template_schema.json
@@ -207,14 +207,14 @@
             "type": "string",
             "title": "Application (Client) ID",
             "description": "The AAD Application Registration ID for the workspace.",
-            "updatable": true
+            "updateable": true
           },
           "client_secret": {
             "type": "string",
             "title": "Application (Client) Secret",
             "description": "The AAD Application Registration secret for the workspace. This value will be stored in the Workspace Key Vault.",
             "sensitive": true,
-            "updatable": true
+            "updateable": true
           }
         },
         "required": [