diff --git a/charts/jupyter/Chart.yaml b/charts/jupyter/Chart.yaml
index e2cd2076..a2157c3f 100644
--- a/charts/jupyter/Chart.yaml
+++ b/charts/jupyter/Chart.yaml
@@ -25,7 +25,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 6.4.0
+version: 6.4.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/jupyter/values.schema.json b/charts/jupyter/values.schema.json
index 3ec06e36..e65ed609 100644
--- a/charts/jupyter/values.schema.json
+++ b/charts/jupyter/values.schema.json
@@ -640,10 +640,7 @@
                 "personalInit": {
                     "type": "string",
                     "description": "initialization script",
-                    "default": "",
-                    "x-security": {
-                        "pattern": "{{region.allowedURIPattern}}"
-                    }
+                    "default": ""
                 },
                 "personalInitArgs": {
                     "type": "string",