diff --git a/jflex-bootstrap.changes b/jflex-bootstrap.changes
index 5c39786..b7a2c2b 100644
--- a/jflex-bootstrap.changes
+++ b/jflex-bootstrap.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Feb 21 22:06:45 UTC 2024 - Fridrich Strba <fstrba@suse.com>
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Wed Oct 25 18:27:04 UTC 2023 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/jflex-bootstrap.spec b/jflex-bootstrap.spec
index 3e59cd7..85c8c38 100644
--- a/jflex-bootstrap.spec
+++ b/jflex-bootstrap.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package jflex-bootstrap
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -98,7 +98,7 @@ rm -rf src/generated
 %setup -q -T -D -a 1 -n jflex-%{version}
 cp %{SOURCE2} build.xml
 mkdir -p lib
-%patch0 -p1
+%patch -P 0 -p1
 build-jar-repository -s lib java-cup-runtime glassfish-annotation-api
 %else
 %{mvn_file} : %{name} JFlex
diff --git a/jflex.changes b/jflex.changes
index 5c39786..b7a2c2b 100644
--- a/jflex.changes
+++ b/jflex.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Feb 21 22:06:45 UTC 2024 - Fridrich Strba <fstrba@suse.com>
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Wed Oct 25 18:27:04 UTC 2023 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/jflex.spec b/jflex.spec
index 9074fa2..bd71432 100644
--- a/jflex.spec
+++ b/jflex.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package jflex
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -97,7 +97,7 @@ rm -rf src/generated
 %setup -q -T -D -a 1 -n jflex-%{version}
 cp %{SOURCE2} build.xml
 mkdir -p lib
-%patch0 -p1
+%patch -P 0 -p1
 build-jar-repository -s lib java-cup-runtime glassfish-annotation-api
 %else
 %{mvn_file} : %{name} JFlex