diff --git a/argon2-20190702.tar.gz b/argon2-20190702.tar.gz
new file mode 100644
index 0000000..34c4c7c
--- /dev/null
+++ b/argon2-20190702.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:daf972a89577f8772602bf2eb38b6a3dd3d922bf5724d45e7f9589b5e830442c
+size 1505307
diff --git a/argon2-20190702.tar.xz b/argon2-20190702.tar.xz
deleted file mode 100644
index b9dcc64..0000000
--- a/argon2-20190702.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6cfcab204cdc007f363bc863fe636fc9b9e0ddaab332fb0946b92171616f83c6
-size 1347812
diff --git a/argon2.changes b/argon2.changes
index 784adcb..4a926b8 100644
--- a/argon2.changes
+++ b/argon2.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Apr 27 07:14:43 UTC 2022 - Marcus Meissner <meissner@suse.com>
+
+- use a source url
+
 -------------------------------------------------------------------
 Sat Apr 23 21:44:18 UTC 2022 - Ferdinand Thiessen <rpm@fthiessen.de>
 
diff --git a/argon2.spec b/argon2.spec
index c64c8aa..677b12a 100644
--- a/argon2.spec
+++ b/argon2.spec
@@ -32,7 +32,7 @@ Summary:        The reference C implementation of Argon2
 License:        Apache-2.0 OR CC0-1.0
 Group:          Productivity/Networking/Security
 URL:            https://github.com/P-H-C/phc-winner-argon2
-Source:         %{name}-%{version}.tar.xz
+Source:         https://github.com/P-H-C/phc-winner-argon2/archive/refs/tags/%{version}.tar.gz#/%{name}-%{version}.tar.gz
 Source1:        baselibs.conf
 # PATCH-FIX-OPENSUSE adjust-makefile.patch -- Allow setting optflags and file permissions of installed libraries
 Patch1:         adjust-makefile.patch
@@ -77,7 +77,8 @@ password hashing function that won the Password Hashing Competition
 (PHC) in 2015.
 
 %prep
-%autosetup
+%setup -n phc-winner-argon2-%version
+%patch1 -p1
 
 %build
 %make