diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst
index d644974e660984..7bb030bd08f9d7 100644
--- a/Doc/library/hashlib.rst
+++ b/Doc/library/hashlib.rst
@@ -746,5 +746,5 @@ Domain Dedication 1.0 Universal:
       Wikipedia article with information on which algorithms have known issues and
       what that means regarding their use.
 
-   https://www.ietf.org/rfc/rfc2898.txt
-      PKCS #5: Password-Based Cryptography Specification Version 2.0
+   https://www.ietf.org/rfc/rfc8018.txt
+      PKCS #5: Password-Based Cryptography Specification Version 2.1