diff --git a/freedup.changes b/freedup.changes
index 59f76c4..4dc08ee 100644
--- a/freedup.changes
+++ b/freedup.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Feb 26 08:37:43 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Use %autosetup macro. Allows to eliminate the usage of deprecated
+  PatchN.
+
 -------------------------------------------------------------------
 Mon Nov  6 16:04:49 UTC 2023 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/freedup.spec b/freedup.spec
index 79e95d5..1606f86 100644
--- a/freedup.spec
+++ b/freedup.spec
@@ -40,8 +40,7 @@ or graphics files, you may elect to ignore the tags. Multimedia files often are
 a good target for deduplication.
 
 %prep
-%setup -q -n %{name}-%{mainversion}-%{subversion}
-%patch0 -p1
+%autosetup -p1 -n %{name}-%{mainversion}-%{subversion}
 
 %build
 make CFLAGS='%{optflags} -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -DFLAVOUR="\"d\"" -DHASHSUM=0 -std=gnu99' clean freedup symharden ChangeLog