diff --git a/kernelctf/metadata.schema.v3.json b/kernelctf/metadata.schema.v3.json
index c56374db..010ad518 100644
--- a/kernelctf/metadata.schema.v3.json
+++ b/kernelctf/metadata.schema.v3.json
@@ -80,7 +80,7 @@
             "type": "object",
             "additionalProperties": false,
             "patternProperties": {
-                "^((lts-[0-9]+.[0-9]+(\\.[0-9]+)?)|(mitigation-[0-9]+\\.[0-9]+(\\.[0-9]+)?)|(cos-[0-9]{2,}-[0-9]+\\.[0-9]+\\.[0-9]+)|extra-.*)$": {
+                "^((lts-[0-9]+.[0-9]+(\\.[0-9]+)?)|(mitigation-(v[0-9]+-)?[0-9]+\\.[0-9]+(\\.[0-9]+)?)|(cos-[0-9]{2,}-[0-9]+\\.[0-9]+\\.[0-9]+)|extra-.*)$": {
                     "type": "object",
                     "required": ["uses", "requires_separate_kaslr_leak", "stability_notes"],
                     "properties": {
@@ -102,4 +102,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}