diff --git a/packages/isync/build.sh b/packages/isync/build.sh
index dc44fa4461..e246ea62e8 100644
--- a/packages/isync/build.sh
+++ b/packages/isync/build.sh
@@ -2,8 +2,8 @@ TERMUX_PKG_HOMEPAGE=http://isync.sourceforge.net
 TERMUX_PKG_DESCRIPTION="IMAP and MailDir mailbox synchronizer"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
-TERMUX_PKG_VERSION=1.3.3
+TERMUX_PKG_VERSION=1.4.0
 TERMUX_PKG_SRCURL=https://downloads.sourceforge.net/project/isync/isync/${TERMUX_PKG_VERSION}/isync-${TERMUX_PKG_VERSION}.tar.gz
-TERMUX_PKG_SHA256=f2213bf7f90266e1295deafe39b02d1ba0b4c7f3b897c09cd17c60f0d4f4c882
+TERMUX_PKG_SHA256=84f8bf3ed293365d6d73702ae4680077efddf641bf1ef63fccbda0589bde785e
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--without-sasl ac_cv_header_db=no ac_cv_berkdb4=no"
 TERMUX_PKG_DEPENDS="openssl, zlib"
diff --git a/packages/isync/isync.patch b/packages/isync/isync.patch
deleted file mode 100644
index 08c4179103..0000000000
--- a/packages/isync/isync.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-diff -u -r ../isync-1.3.0.orig/src/compat/config.c ./src/compat/config.c
---- ../isync-1.3.0.orig/src/compat/config.c	2017-10-01 17:42:35.000000000 +0900
-+++ ./src/compat/config.c	2018-02-06 08:41:15.750006264 +0900
-@@ -451,7 +451,7 @@
- 					goto gotstor;
- 			box->local_store_path = my_strndup( path, pl );
- 			/* derive a suitable name */
--			if (!strcmp( box->local_store_path, "/var/mail/" ) || !strcmp( box->local_store_path, "/var/spool/mail/" )) {
-+			if (!strcmp( box->local_store_path, "@TERMUX_PREFIX@/var/mail/" ) || !strcmp( box->local_store_path, "@TERMUX_PREFIX@/var/spool/mail/" )) {
- 				local_store = nfstrdup( "spool" );
- 			} else if (!strcmp( box->local_store_path, "~/" )) {
- 				local_store = nfstrdup( "home" );
-diff -u -r ../isync-1.3.0.orig/src/compat/main.c ./src/compat/main.c
---- ../isync-1.3.0.orig/src/compat/main.c	2017-10-01 17:42:35.000000000 +0900
-+++ ./src/compat/main.c	2018-02-06 08:41:15.750006264 +0900
-@@ -384,7 +384,7 @@
- 			return 1;
- 		}
- 	} else {
--		strcpy( path2, "/tmp/mbsyncrcXXXXXX" );
-+		strcpy( path2, "@TERMUX_PREFIX@/tmp/mbsyncrcXXXXXX" );
- 		if ((fd = mkstemp( path2 )) < 0) {
- 			sys_error( "Error: cannot create temporary config file" );
- 			return 1;
-diff -u -r ../isync-1.3.0.orig/src/socket.c ./src/socket.c
---- ../isync-1.3.0.orig/src/socket.c	2017-10-01 17:42:35.000000000 +0900
-+++ ./src/socket.c	2018-02-06 08:41:15.750006264 +0900
-@@ -398,7 +398,7 @@
- 				_exit( 127 );
- 			close( a[0] );
- 			close( a[1] );
--			execl( "/bin/sh", "sh", "-c", conf->tunnel, (char *)0 );
-+			execl( "@TERMUX_PREFIX@/bin/sh", "sh", "-c", conf->tunnel, (char *)0 );
- 			_exit( 127 );
- 		}
- 
diff --git a/packages/isync/src-socket.c.patch b/packages/isync/src-socket.c.patch
new file mode 100644
index 0000000000..38bfdd6924
--- /dev/null
+++ b/packages/isync/src-socket.c.patch
@@ -0,0 +1,12 @@
+diff -uNr isync-1.4.0/src/socket.c isync-1.4.0.mod/src/socket.c
+--- isync-1.4.0/src/socket.c	2021-01-01 13:46:34.000000000 +0000
++++ isync-1.4.0.mod/src/socket.c	2021-02-05 21:07:36.435025222 +0000
+@@ -510,7 +510,7 @@
+ 				_exit( 127 );
+ 			close( a[0] );
+ 			close( a[1] );
+-			execl( "/bin/sh", "sh", "-c", conf->tunnel, (char *)0 );
++			execl( "@TERMUX_PREFIX@/bin/sh", "sh", "-c", conf->tunnel, (char *)0 );
+ 			_exit( 127 );
+ 		}
+