diff --git a/test/fixtures/ecdsa.json b/test/fixtures/ecdsa.json
index 59653cd..0205d54 100644
--- a/test/fixtures/ecdsa.json
+++ b/test/fixtures/ecdsa.json
@@ -263,8 +263,8 @@
         "d": "01",
         "message": "foo",
         "signatureRaw": {
-          "r": "-fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140",
-          "s": "-fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140"
+          "r": "-fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",
+          "s": "-fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141"
         }
       }
     ]