diff --git a/extensions.md b/extensions.md
index 7e30f22b9..a3712f0d6 100644
--- a/extensions.md
+++ b/extensions.md
@@ -8,7 +8,7 @@ The purpose of this file is to keep track of and avoid collisions in Extension `
 |-------------|----------|-----|-------|------------|
 | WithSecure | withsecure | **985** | The WithSecure schema extension | |
 | Yandex Cloud | ycloud  | **986** | The Yandex Cloud schema extension | |
-| DefenXee    | defenxee | **987** | The DefenXee vendor extension| | 
+| TrustPlane    | TrustPlane | **987** | The TrustPlane vendor extension| | 
 | Trellix     | trellix  | **988** | The Trellix schema extension | |
 | Synqly      | synqly   | **989** | The Synqly schema extension | |
 | US GOV      | usg1     | **990** | The USG-1 schema extension | |