diff --git a/lib/jwk/key/secp256k1_crv.js b/lib/jwk/key/secp256k1_crv.js
index 4dc4d2d6..02525b61 100644
--- a/lib/jwk/key/secp256k1_crv.js
+++ b/lib/jwk/key/secp256k1_crv.js
@@ -1,6 +1,13 @@
+const { deprecate } = require('util')
+
+const deprecation = deprecate(() => {}, '"P-256K" EC curve name is deprecated')
+
 module.exports = {
   name: 'secp256k1',
   rename (value) {
+    if (value !== 'secp256k1') {
+      deprecation()
+    }
     module.exports.name = value
   }
 }