diff --git a/schema/models_directory/double_hybrid.json b/schema/models_directory/double_hybrid.json
index b102768d5..6f71a3d12 100644
--- a/schema/models_directory/double_hybrid.json
+++ b/schema/models_directory/double_hybrid.json
@@ -31,5 +31,9 @@
                 }
             ]
         }
-    }
+    },
+    "required": [
+        "categories",
+        "parameters"
+    ]
 }
diff --git a/schema/models_directory/gga.json b/schema/models_directory/gga.json
index c655e6390..3f973323d 100644
--- a/schema/models_directory/gga.json
+++ b/schema/models_directory/gga.json
@@ -34,5 +34,9 @@
                 }
             ]
         }
-    }
+    },
+    "required": [
+        "categories",
+        "parameters"
+    ]
 }
diff --git a/schema/models_directory/gw.json b/schema/models_directory/gw.json
index 80f76db8c..1148982fc 100644
--- a/schema/models_directory/gw.json
+++ b/schema/models_directory/gw.json
@@ -46,5 +46,9 @@
                 }
             ]
         }
-    }
+    },
+    "required": [
+        "categories",
+        "parameters"
+    ]
 }
diff --git a/schema/models_directory/hybrid.json b/schema/models_directory/hybrid.json
index 7a74be827..c8c3a4b08 100644
--- a/schema/models_directory/hybrid.json
+++ b/schema/models_directory/hybrid.json
@@ -34,5 +34,9 @@
                 }
             ]
         }
-    }
+    },
+    "required": [
+        "categories",
+        "parameters"
+    ]
 }
diff --git a/schema/models_directory/lda.json b/schema/models_directory/lda.json
index 86ea9bad2..d5691c0ec 100644
--- a/schema/models_directory/lda.json
+++ b/schema/models_directory/lda.json
@@ -34,5 +34,9 @@
                 }
             ]
         }
-    }
+    },
+    "required": [
+        "categories",
+        "parameters"
+    ]
 }
diff --git a/schema/models_directory/mgga.json b/schema/models_directory/mgga.json
index 7e6a80152..51db018d9 100644
--- a/schema/models_directory/mgga.json
+++ b/schema/models_directory/mgga.json
@@ -34,5 +34,9 @@
                 }
             ]
         }
-    }
+    },
+    "required": [
+        "categories",
+        "parameters"
+    ]
 }