diff --git a/libmpfr-4.2.0.p9-patchset.patch b/libmpfr-4.2.0.p9-patchset.patch
deleted file mode 100644
index 8684b49..0000000
--- a/libmpfr-4.2.0.p9-patchset.patch
+++ /dev/null
@@ -1,63 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch01">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch02">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch03">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch04">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch05">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch06">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch07">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch08">here</a>.</p>
-</body></html>
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>301 Moved Permanently</title>
-</head><body>
-<h1>Moved Permanently</h1>
-<p>The document has moved <a href="https://www.mpfr.org/mpfr-current/patch09">here</a>.</p>
-</body></html>
diff --git a/libmpfr-4.2.1-patchset.patch b/libmpfr-4.2.1-patchset.patch
new file mode 100644
index 0000000..e69de29
diff --git a/libmpfr.spec b/libmpfr.spec
index eae2b3f..53fca1b 100644
--- a/libmpfr.spec
+++ b/libmpfr.spec
@@ -1,6 +1,6 @@
 %define pkgver %(echo %version | cut -d. -f1-3)
 Name:          libmpfr
-Version:       4.2.0.p9
+Version:       4.2.1
 Release:       1mamba
 Summary:       A C library for multiple-precision floating-point computations with exact rounding
 Group:         System/Libraries
@@ -82,6 +82,9 @@ exit 0
 %doc BUGS ChangeLog NEWS README TODO
 
 %changelog
+* Wed Aug 23 2023 Automatic Build System <autodist@mambasoft.it> 4.2.1-1mamba
+- automatic version update by autodist
+
 * Fri May 19 2023 Automatic Build System <autodist@mambasoft.it> 4.2.0.p9-1mamba
 - automatic version update by autodist
 
