diff --git a/apache-tika/Chart.yaml b/apache-tika/Chart.yaml
index 695a4c3..a618edc 100644
--- a/apache-tika/Chart.yaml
+++ b/apache-tika/Chart.yaml
@@ -5,5 +5,5 @@ icon: https://www.apache.org/logos/res/tika/default.png
 
 type: application
 
-version: 7.2.0+up3.3.1.0.full
+version: 8.0.0+up3.3.1.0.full
 appVersion: "3.3.1.0-full"
diff --git a/apache-tika/values.schema.json b/apache-tika/values.schema.json
new file mode 100644
index 0000000..663575b
--- /dev/null
+++ b/apache-tika/values.schema.json
@@ -0,0 +1,139 @@
+{
+  "$schema": "https://json-schema.org/draft-07/schema#",
+  "title": "apache-tika values",
+  "description": "Strict values schema (issue #68). additionalProperties is false on every chart-owned object level, so a key that the chart does not read is rejected at render time instead of being silently ignored. The only objects that stay open are the ones passed verbatim into the Kubernetes pod spec (probes, security contexts, global) - the chart does not interpret their contents, so it cannot judge which keys are meaningful.",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "global": {
+      "description": "Helm's conventional cross-chart values. Unused by this chart, kept open so an umbrella install cannot break on it.",
+      "type": "object"
+    },
+    "scaleDown": {
+      "type": "boolean"
+    },
+    "tika": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "replicas": {
+          "type": "integer",
+          "minimum": 0
+        },
+        "securityContext": {
+          "$ref": "#/definitions/securityContext"
+        },
+        "livenessProbe": {
+          "$ref": "#/definitions/probe"
+        },
+        "readinessProbe": {
+          "$ref": "#/definitions/probe"
+        },
+        "startupProbe": {
+          "$ref": "#/definitions/probe"
+        },
+        "env": {
+          "$ref": "#/definitions/env"
+        },
+        "resources": {
+          "$ref": "#/definitions/resources"
+        }
+      }
+    }
+  },
+  "definitions": {
+    "resources": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "limitFactor": {
+          "type": "number",
+          "exclusiveMinimum": 0
+        },
+        "requests": {
+          "$ref": "#/definitions/resourceList"
+        },
+        "limits": {
+          "$ref": "#/definitions/resourceList"
+        }
+      }
+    },
+    "resourceList": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "cpu": {
+          "type": ["string", "number", "null"]
+        },
+        "memory": {
+          "type": ["string", "number", "null"]
+        },
+        "ephemeral-storage": {
+          "type": ["string", "number", "null"]
+        },
+        "ephemeralStorage": {
+          "type": ["string", "number", "null"]
+        }
+      }
+    },
+    "env": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["name"],
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "value": {
+            "type": "string"
+          },
+          "valueFrom": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+              "secretKeyRef": {
+                "$ref": "#/definitions/keyRef"
+              },
+              "configMapKeyRef": {
+                "$ref": "#/definitions/keyRef"
+              }
+            }
+          }
+        }
+      }
+    },
+    "keyRef": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": ["name", "key"],
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "key": {
+          "type": "string"
+        }
+      }
+    },
+    "securityContext": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "pod": {
+          "description": "Rendered verbatim as the pod's securityContext; kept open because the chart does not interpret it.",
+          "type": "object"
+        },
+        "container": {
+          "description": "Rendered verbatim as the container's securityContext; kept open because the chart does not interpret it.",
+          "type": "object"
+        }
+      }
+    },
+    "probe": {
+      "description": "Rendered verbatim as a container probe; kept open because the chart does not interpret it.",
+      "type": "object"
+    }
+  }
+}