diff --git a/meta/schemas-root.json b/meta/schemas-root.json
index a2e501d5..615b198d 100644
--- a/meta/schemas-root.json
+++ b/meta/schemas-root.json
@@ -13,6 +13,7 @@
       "type": "string"
     }
   ],
+  "x-lint-exclude": "simple_properties_identifiers",
   "type": "object",
   "if": {
     "properties": {
diff --git a/meta/schemas.json b/meta/schemas.json
index 417c2072..0cb31f30 100644
--- a/meta/schemas.json
+++ b/meta/schemas.json
@@ -11,6 +11,7 @@
       "type": "string"
     }
   ],
+  "x-lint-exclude": "simple_properties_identifiers",
   "$ref": "https://json-schema.org/draft/2020-12/schema",
   "properties": {
     "$id": false,
diff --git a/meta/test.json b/meta/test.json
index f1aea1e1..dcce9511 100644
--- a/meta/test.json
+++ b/meta/test.json
@@ -20,6 +20,7 @@
       ]
     }
   ],
+  "x-lint-exclude": "simple_properties_identifiers",
   "type": "object",
   "required": [ "x-license", "tests" ],
   "properties": {
diff --git a/package-lock.json b/package-lock.json
index 0857a4c4..a888c73f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,18 +7,14 @@
     "": {
       "name": "@sourcemeta/std",
       "version": "0.0.0",
-      "license": "UNLICENSED",
       "devDependencies": {
-        "@sourcemeta/jsonschema": "^13.2.0"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sourcemeta"
+        "@sourcemeta/jsonschema": "^16.1.0"
       }
     },
     "node_modules/@sourcemeta/jsonschema": {
-      "version": "13.2.0",
-      "resolved": "https://registry.npmjs.org/@sourcemeta/jsonschema/-/jsonschema-13.2.0.tgz",
-      "integrity": "sha512-jUKD6q1Wjys70wyXzd6goXV0HRM/rN2QR8rYHtkp6PzZkSdSgddtsnBNDu5j23JZdaE3VrjRUGJKaPLpdhuTDg==",
+      "version": "16.1.0",
+      "resolved": "https://registry.npmjs.org/@sourcemeta/jsonschema/-/jsonschema-16.1.0.tgz",
+      "integrity": "sha512-FBXyz/PxYQiPfE5bd/TFu+ZJA8I5ncG83ezCNE1J1FRN1xEYolJ83rWI88YMIZeG469uBvsE+pYL1OdNAPRrBg==",
       "cpu": [
         "x64",
         "arm64"
diff --git a/package.json b/package.json
index 5c98b957..574f7f78 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,6 @@
   "version": "0.0.0",
   "private": true,
   "devDependencies": {
-    "@sourcemeta/jsonschema": "^13.2.0"
+    "@sourcemeta/jsonschema": "^16.1.0"
   }
 }
diff --git a/schemas/2020-12/bipm/si/2019/base/prefixed/decigram.json b/schemas/2020-12/bipm/si/2019/base/prefixed/decigram.json
index beddaee6..c568c733 100644
--- a/schemas/2020-12/bipm/si/2019/base/prefixed/decigram.json
+++ b/schemas/2020-12/bipm/si/2019/base/prefixed/decigram.json
@@ -5,7 +5,7 @@
   "examples": [ 0, 1, 100, 1000 ],
   "x-license": "https://github.com/sourcemeta/std/blob/main/LICENSE",
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
-  "x-prefix-factor": 0.0001,
+  "x-prefix-factor": 1e-4,
   "x-symbol": "dg",
   "$ref": "../unit/kilogram.json"
 }