diff --git a/doc/pdfio.3 b/doc/pdfio.3
index fbc6a96..37d71b7 100644
--- a/doc/pdfio.3
+++ b/doc/pdfio.3
@@ -1,4 +1,4 @@
-.TH pdfio 3 "pdf read/write library" "2025-04-24" "pdf read/write library"
+.TH pdfio 3 "pdf read/write library" "2025-05-03" "pdf read/write library"
 .SH NAME
 pdfio \- pdf read/write library
 .SH Introduction
diff --git a/doc/pdfio.html b/doc/pdfio.html
index 56fa0a9..1acbaea 100644
--- a/doc/pdfio.html
+++ b/doc/pdfio.html
@@ -1,13 +1,13 @@
 <!DOCTYPE html>
 <html lang="en-US">
 <head>
-<title>PDFio Programming Manual v1.5.2</title>
+<title>PDFio Programming Manual v1.5.3</title>
 <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
 <meta name="generator" content="codedoc v3.8">
 <meta name="author" content="Michael R Sweet">
 <meta name="language" content="en-US">
 <meta name="copyright" content="Copyright © 2021-2025 by Michael R Sweet">
-<meta name="version" content="1.5.2">
+<meta name="version" content="1.5.3">
 <style type="text/css"><!--
 body {
   background: white;
@@ -251,7 +251,7 @@ span.string {
 <body>
 <div class="header">
 <p><img class="title" src="pdfio-512.png"></p>
-<h1 class="title">PDFio Programming Manual v1.5.2</h1>
+<h1 class="title">PDFio Programming Manual v1.5.3</h1>
 <p>Michael R Sweet</p>
 <p>Copyright © 2021-2025 by Michael R Sweet</p>
 </div>
