diff --git a/packages/parallel/build.sh b/packages/parallel/build.sh
index 20cb1a6fa..40e8015f3 100644
--- a/packages/parallel/build.sh
+++ b/packages/parallel/build.sh
@@ -1,9 +1,8 @@
 TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/parallel/
 TERMUX_PKG_DESCRIPTION="GNU Parallel is a shell tool for executing jobs in parallel using one or more machines"
 TERMUX_PKG_LICENSE="GPL-3.0"
-TERMUX_PKG_VERSION=20180222
-TERMUX_PKG_REVISION=1
-TERMUX_PKG_SHA256=e81997dbabef18708de30635bd5d05af63395d869452a91c6a047c9c590e9daf
+TERMUX_PKG_VERSION=20190422
 TERMUX_PKG_SRCURL=https://mirrors.kernel.org/gnu/parallel/parallel-${TERMUX_PKG_VERSION}.tar.bz2
+TERMUX_PKG_SHA256=b44bedadff56936f05995ca54628a45ff528df5a59e37affb8f2ee00ad2bb475
 TERMUX_PKG_DEPENDS="perl"
 TERMUX_PKG_PLATFORM_INDEPENDENT=yes
diff --git a/packages/parallel/parallel.patch b/packages/parallel/parallel.patch
index d1c66dd92..2d0e257e6 100644
--- a/packages/parallel/parallel.patch
+++ b/packages/parallel/parallel.patch
@@ -1,31 +1,32 @@
-diff -uNr parallel-20180222/src/parallel parallel-20180222.mod/src/parallel
---- parallel-20180222/src/parallel	2018-02-22 21:42:51.000000000 +0200
-+++ parallel-20180222.mod/src/parallel	2018-06-21 12:36:46.066728715 +0300
-@@ -1137,7 +1137,7 @@
+diff -uNr parallel-20190422/src/parallel parallel-20190422.mod/src/parallel
+--- parallel-20190422/src/parallel	2019-04-21 15:45:35.000000000 +0300
++++ parallel-20190422.mod/src/parallel	2019-05-21 15:17:56.595625178 +0300
+@@ -1325,7 +1325,7 @@
      if($opt::bug) { ::die_bug("test-bug"); }
      $Global::debug = $opt::D;
      $Global::shell = $ENV{'PARALLEL_SHELL'} || parent_shell($$)
 -	|| $ENV{'SHELL'} || "/bin/sh";
 +	|| $ENV{'SHELL'} || "@TERMUX_PREFIX@/bin/sh";
-     if(not which($Global::shell)) {
+     if(not -x $Global::shell and not which($Global::shell)) {
  	::error("Shell '$Global::shell' not found.");
  	wait_and_exit(255);
-@@ -1488,11 +1488,11 @@
+@@ -1780,12 +1780,12 @@
      $Global::trim = 'n';
      $Global::max_jobs_running = 0;
      $Global::job_already_run = '';
 -    $ENV{'TMPDIR'} ||= "/tmp";
 +    $ENV{'TMPDIR'} ||= "@TERMUX_PREFIX@/tmp";
+     $ENV{'OLDPWD'} = $ENV{'PWD'};
      if(not $ENV{HOME}) {
  	# $ENV{HOME} is sometimes not set if called from PHP
 -	::warning("\$HOME not set. Using /tmp.");
 -	$ENV{HOME} = "/tmp";
-+	::warning("\$HOME not set. Using @TERMUX_HOME@.");
-+	$ENV{HOME} = "@TERMUX_HOME@";
++	::warning("\$HOME not set. Using @TERMUX_PREFIX@/tmp.");
++	$ENV{HOME} = "@TERMUX_PREFIX@/tmp";
      }
      # no warnings to allow for undefined $XDG_*
      no warnings 'uninitialized';
-@@ -3411,7 +3411,7 @@
+@@ -3712,7 +3712,7 @@
      unlink $stderrname;
  
      my $pid = ::open3($stdin_fh,$stdout_fh,$stderr_fh,
@@ -34,7 +35,7 @@ diff -uNr parallel-20180222/src/parallel parallel-20180222.mod/src/parallel
      if(my $writerpid = fork()) {
  	close $stdin_fh;
  	@stdout = <$stdout_fh>;
-@@ -4758,6 +4758,7 @@
+@@ -5216,6 +5216,7 @@
  	    my $bsd = q(ps -o pid,ppid,command -ax);
  	    %pid_parentpid_cmd =
  	    (
diff --git a/packages/parallel/sem.patch b/packages/parallel/sem.patch
index 465f79056..1b9d62a6a 100644
--- a/packages/parallel/sem.patch
+++ b/packages/parallel/sem.patch
@@ -1,31 +1,32 @@
-diff -uNr parallel-20180222/src/sem parallel-20180222.mod/src/sem
---- parallel-20180222/src/sem	2018-02-22 21:42:51.000000000 +0200
-+++ parallel-20180222.mod/src/sem	2018-06-21 12:37:26.333395678 +0300
-@@ -1137,7 +1137,7 @@
+diff -uNr parallel-20190422/src/sem parallel-20190422.mod/src/sem
+--- parallel-20190422/src/sem	2019-04-21 15:45:35.000000000 +0300
++++ parallel-20190422.mod/src/sem	2019-05-21 15:19:40.243140514 +0300
+@@ -1325,7 +1325,7 @@
      if($opt::bug) { ::die_bug("test-bug"); }
      $Global::debug = $opt::D;
      $Global::shell = $ENV{'PARALLEL_SHELL'} || parent_shell($$)
 -	|| $ENV{'SHELL'} || "/bin/sh";
 +	|| $ENV{'SHELL'} || "@TERMUX_PREFIX@/bin/sh";
-     if(not which($Global::shell)) {
+     if(not -x $Global::shell and not which($Global::shell)) {
  	::error("Shell '$Global::shell' not found.");
  	wait_and_exit(255);
-@@ -1488,11 +1488,11 @@
+@@ -1780,12 +1780,12 @@
      $Global::trim = 'n';
      $Global::max_jobs_running = 0;
      $Global::job_already_run = '';
 -    $ENV{'TMPDIR'} ||= "/tmp";
 +    $ENV{'TMPDIR'} ||= "@TERMUX_PREFIX@/tmp";
+     $ENV{'OLDPWD'} = $ENV{'PWD'};
      if(not $ENV{HOME}) {
  	# $ENV{HOME} is sometimes not set if called from PHP
 -	::warning("\$HOME not set. Using /tmp.");
 -	$ENV{HOME} = "/tmp";
-+	::warning("\$HOME not set. Using @TERMUX_HOME@.");
-+	$ENV{HOME} = "@TERMUX_HOME@";
++	::warning("\$HOME not set. Using @TERMUX_PREFIX@/tmp.");
++	$ENV{HOME} = "@TERMUX_PREFIX@/tmp";
      }
      # no warnings to allow for undefined $XDG_*
      no warnings 'uninitialized';
-@@ -3411,7 +3411,7 @@
+@@ -3712,7 +3712,7 @@
      unlink $stderrname;
  
      my $pid = ::open3($stdin_fh,$stdout_fh,$stderr_fh,