diff --git a/detect_secrets/core/potential_secret.py b/detect_secrets/core/potential_secret.py
index a8fca2d8c..abb2156b3 100644
--- a/detect_secrets/core/potential_secret.py
+++ b/detect_secrets/core/potential_secret.py
@@ -58,6 +58,7 @@ def __init__(
 
     def set_secret(self, secret):
         self.secret_hash = self.hash_secret(secret)
+        self.secret_len = len(secret)
 
         # Note: Originally, we never wanted to keep the secret value in memory,
         #       after finding it in the codebase. However, to support verifiable
@@ -86,6 +87,7 @@ def json(self):
             'filename': self.filename,
             'line_number': self.lineno,
             'hashed_secret': self.secret_hash,
+            'secret_len': self.secret_len,
             'is_verified': self.is_verified,
         }