diff --git a/contrib/less/NEWS b/contrib/less/NEWS
index fd214e62007d..bc5afd655ddc 100644
--- a/contrib/less/NEWS
+++ b/contrib/less/NEWS
@@ -12,7 +12,7 @@
 
 ======================================================================
 
-	Major changes between "less" versions 563 and 581
+	Major changes between "less" versions 563 and 581.2
 
 * Change ESC-u command to toggle, not disable, highlighting per man page.
 
diff --git a/contrib/less/README b/contrib/less/README
index 0c1acfd5d3f6..2acbd00d762a 100644
--- a/contrib/less/README
+++ b/contrib/less/README
@@ -7,9 +7,9 @@
 **************************************************************************
 **************************************************************************
 
-                            Less, version 581
+                            Less, version 581.2
 
-    This is the distribution of less, version 581, released 06 Apr 2021.
+    This is the distribution of less, version 581.2, released 28 Apr 2021.
     This program is part of the GNU project (http://www.gnu.org).
 
     This program is free software.  You may redistribute it and/or
diff --git a/contrib/less/help.c b/contrib/less/help.c
index 94b92cea69c2..f5b4aa1fbf1a 100644
--- a/contrib/less/help.c
+++ b/contrib/less/help.c
@@ -1,4 +1,4 @@
-/* This file was generated by mkhelp.pl from less.hlp at 1:31 on 2021/4/7 */
+/* This file was generated by mkhelp.pl from less.hlp at 14:59 on 2021/4/28 */
 #include "less.h"
 constant char helpdata[] = {
 '\n',
diff --git a/contrib/less/less.nro b/contrib/less/less.nro
index 41021321964b..f148ccb76d98 100644
--- a/contrib/less/less.nro
+++ b/contrib/less/less.nro
@@ -1,5 +1,5 @@
 '\" t
-.TH LESS 1 "Version 581: 06 Apr 2021"
+.TH LESS 1 "Version 581.2: 28 Apr 2021"
 .SH NAME
 less \- opposite of more
 .SH SYNOPSIS
diff --git a/contrib/less/lessecho.nro b/contrib/less/lessecho.nro
index ef822fabdafb..484efa135d34 100644
--- a/contrib/less/lessecho.nro
+++ b/contrib/less/lessecho.nro
@@ -1,4 +1,4 @@
-.TH LESSECHO 1 "Version 581: 06 Apr 2021"
+.TH LESSECHO 1 "Version 581.2: 28 Apr 2021"
 .SH NAME
 lessecho \- expand metacharacters
 .SH SYNOPSIS
diff --git a/contrib/less/lesskey.nro b/contrib/less/lesskey.nro
index a9aec69fea0f..1f8e5b39ecaf 100644
--- a/contrib/less/lesskey.nro
+++ b/contrib/less/lesskey.nro
@@ -1,5 +1,5 @@
 '\" t
-.TH LESSKEY 1 "Version 581: 06 Apr 2021"
+.TH LESSKEY 1 "Version 581.2: 28 Apr 2021"
 .SH NAME
 lesskey \- specify key bindings for less
 .SH SYNOPSIS
diff --git a/contrib/less/screen.c b/contrib/less/screen.c
index 7e8f8af4f463..ff6b6d785af7 100644
--- a/contrib/less/screen.c
+++ b/contrib/less/screen.c
@@ -1673,8 +1673,6 @@ ltputs(str, affcnt, f_putc)
 	public void
 init_mouse(VOID_PARAM)
 {
-	if (!mousecap)
-		return;
 #if !MSDOS_COMPILER
 	ltputs(sc_s_mousecap, sc_height, putchr);
 #else
@@ -1693,8 +1691,6 @@ init_mouse(VOID_PARAM)
 	public void
 deinit_mouse(VOID_PARAM)
 {
-	if (!mousecap)
-		return;
 #if !MSDOS_COMPILER
 	ltputs(sc_e_mousecap, sc_height, putchr);
 #else
@@ -1718,7 +1714,8 @@ init(VOID_PARAM)
 			ltputs(sc_init, sc_height, putchr);
 		if (!no_keypad)
 			ltputs(sc_s_keypad, sc_height, putchr);
-		init_mouse();
+		if (mousecap)
+			init_mouse();
 	}
 	init_done = 1;
 	if (top_scroll) 
@@ -1741,7 +1738,8 @@ init(VOID_PARAM)
 	{
 		if (!no_init)
 			win32_init_term();
-		init_mouse();
+		if (mousecap)
+			init_mouse();
 
 	}
 	win32_init_vt_term();
@@ -1763,7 +1761,8 @@ deinit(VOID_PARAM)
 #if !MSDOS_COMPILER
 	if (!(quit_if_one_screen && one_screen))
 	{
-		deinit_mouse();
+		if (mousecap)
+			deinit_mouse();
 		if (!no_keypad)
 			ltputs(sc_e_keypad, sc_height, putchr);
 		if (!no_init)
@@ -1776,7 +1775,8 @@ deinit(VOID_PARAM)
 	win32_deinit_vt_term();
 	if (!(quit_if_one_screen && one_screen))
 	{
-		deinit_mouse();
+		if (mousecap)
+			deinit_mouse();
 		if (!no_init)
 			win32_deinit_term();
 	}
diff --git a/contrib/less/version.c b/contrib/less/version.c
index cb7d69ffcda7..7ca31e0930fa 100644
--- a/contrib/less/version.c
+++ b/contrib/less/version.c
@@ -919,6 +919,7 @@ v578  2/9/21    Doc
 v579  2/14/21   Fix double-width char bugs and non-match search crash.
 v580  3/2/21    Some color fixes; fix compiler warnings; some lesstest support.
 v581  4/6/21    Ignore SIGTSTP in secure mode; don't print "skipping" when filtering.
+v581.2 4/28/21  Fix failure to deinit mouse.
 */
 
-char version[] = "581";
+char version[] = "581.2";