diff --git a/doc/upx.1 b/doc/upx.1
index 90894d9e..045ba4de 100644
--- a/doc/upx.1
+++ b/doc/upx.1
@@ -133,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "UPX 1"
-.TH UPX 1 "2023-12-19" "upx 4.3.0" " "
+.TH UPX 1 "2024-01-03" "upx 4.2.2" " "
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -147,7 +147,7 @@ upx \- compress or expand executable files
 .IX Header "ABSTRACT"
 .Vb 3
 \&                    The Ultimate Packer for eXecutables
-\&   Copyright (c) 1996\-2023 Markus Oberhumer, Laszlo Molnar & John Reiser
+\&   Copyright (c) 1996\-2024 Markus Oberhumer, Laszlo Molnar & John Reiser
 \&                           https://upx.github.io
 .Ve
 .PP
@@ -1019,13 +1019,13 @@ Please report all bugs immediately to the authors.
 .Ve
 .SH "COPYRIGHT"
 .IX Header "COPYRIGHT"
-Copyright (C) 1996\-2023 Markus Franz Xaver Johannes Oberhumer
+Copyright (C) 1996\-2024 Markus Franz Xaver Johannes Oberhumer
 .PP
-Copyright (C) 1996\-2023 Laszlo Molnar
+Copyright (C) 1996\-2024 Laszlo Molnar
 .PP
-Copyright (C) 2000\-2023 John F. Reiser
+Copyright (C) 2000\-2024 John F. Reiser
 .PP
-Copyright (C) 2002\-2023 Jens Medoch
+Copyright (C) 2002\-2024 Jens Medoch
 .PP
 \&\fB\s-1UPX\s0\fR is distributed with full source code under the terms of the
 \&\s-1GNU\s0 General Public License v2+; either under the pure GPLv2+ (see
diff --git a/src/version.h b/src/version.h
index 5acbea08..346b7667 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,7 +1,7 @@
 #pragma once
-#define UPX_VERSION_HEX      0x040300 /* 04.03.00 */
-#define UPX_VERSION_STRING   "4.3.0"
-#define UPX_VERSION_STRING4  "4.30"
-#define UPX_VERSION_DATE     "Dec 19th 2023"
-#define UPX_VERSION_DATE_ISO "2023-12-19"
-#define UPX_VERSION_YEAR     "2023"
+#define UPX_VERSION_HEX      0x040202 /* 04.02.02 */
+#define UPX_VERSION_STRING   "4.2.2"
+#define UPX_VERSION_STRING4  "4.22"
+#define UPX_VERSION_DATE     "Jan 3rd 2024"
+#define UPX_VERSION_DATE_ISO "2024-01-03"
+#define UPX_VERSION_YEAR     "2024"