diff --git a/tests/dataforge_fixtures/valid_schema.json b/tests/dataforge_fixtures/valid_schema.json
index be1b427..d2172a7 100644
--- a/tests/dataforge_fixtures/valid_schema.json
+++ b/tests/dataforge_fixtures/valid_schema.json
@@ -1,13 +1,45 @@
 {
-    "$schema": "http://json-schema.org/draft-07/schema#",
-    "type": "object",
-    "properties": {
-        "name": {
-            "type": "string"
-        },
-        "version": {
-            "type": "string"
-        }
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "properties": {
+    "name": {
+      "type": "string"
     },
-    "required": ["name", "version"]
+    "version": {
+      "type": "string",
+      "pattern": "^\\d+\\.\\d+\\.\\d+$"
+    },
+    "description": {
+      "type": "string"
+    },
+    "author": {
+      "type": "string"
+    },
+    "settings": {
+      "type": "object",
+      "properties": {
+        "debug": {
+          "type": "boolean"
+        },
+        "timeout": {
+          "type": "integer",
+          "minimum": 0
+        },
+        "retries": {
+          "type": "integer",
+          "minimum": 0,
+          "maximum": 10
+        }
+      },
+      "required": ["debug", "timeout"]
+    },
+    "tags": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      },
+      "minItems": 1
+    }
+  },
+  "required": ["name", "version"]
 }