diff --git a/argon2.changes b/argon2.changes
index af7c4b5..9f98dc7 100644
--- a/argon2.changes
+++ b/argon2.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Feb 20 11:09:00 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Use %autosetup macro. Allows to eliminate the usage of deprecated
+  %patchN.
+
 -------------------------------------------------------------------
 Wed Apr 27 07:14:43 UTC 2022 - Marcus Meissner <meissner@suse.com>
 
diff --git a/argon2.spec b/argon2.spec
index 55f0570..f981863 100644
--- a/argon2.spec
+++ b/argon2.spec
@@ -77,8 +77,7 @@ password hashing function that won the Password Hashing Competition
 (PHC) in 2015.
 
 %prep
-%setup -n phc-winner-argon2-%version
-%patch1 -p1
+%autosetup -n phc-winner-argon2-%version -p1
 
 %build
 %make