diff --git a/ecj.changes b/ecj.changes
index 2f575c9..d492f59 100644
--- a/ecj.changes
+++ b/ecj.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Feb 21 10:40:52 UTC 2024 - Gus Kenion <gus.kenion@suse.com>
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Tue Feb 13 01:50:04 UTC 2024 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/ecj.spec b/ecj.spec
index fab1cdb..ea5c8b0 100644
--- a/ecj.spec
+++ b/ecj.spec
@@ -45,8 +45,8 @@ the JDT Core batch compiler.
 
 %prep
 %setup -q -c
-%patch0 -p1
-%patch1 -p1
+%patch -P 0 -p1
+%patch -P 1 -p1
 
 # Specify encoding
 sed -i -e '/compilerarg/s/Xlint:none/Xlint:none -encoding cp1252/' build.xml