diff --git a/libgsm.changes b/libgsm.changes
index 4bca7d0..c2fe8e2 100644
--- a/libgsm.changes
+++ b/libgsm.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb 29 16:34:37 UTC 2024 - pgajdos@suse.com
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Sun Aug 28 22:32:54 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/libgsm.spec b/libgsm.spec
index 9042658..8dce1c2 100644
--- a/libgsm.spec
+++ b/libgsm.spec
@@ -86,9 +86,9 @@ standard test patterns.
 
 %prep
 %setup -q -n %{_name}-%{_version}
-%patch0 -p1
-%patch1
-%patch2
+%patch -P 0 -p1
+%patch -P 1
+%patch -P 2
 
 %build
 make -j1 CCFLAGS="-c %{optflags} -D_POSIX_SOURCE -D_BSD_SOURCE -DNeedFunctionPrototypes=1" lib/libgsm.a