diff --git a/README.org b/README.org
index 42f17b8..6998ed9 100644
--- a/README.org
+++ b/README.org
@@ -5,7 +5,7 @@
 #+DATE:                       10th July 2018
 #+LINK:                     http://www.openfoam.org
 #+OPTIONS: author:nil ^:{}
-# Copyright (c) 2014-2016 OpenFOAM Foundation.
+# Copyright (c) 2014-2018 OpenFOAM Foundation.
 
 * Description
   Scripts for building third-party packages.
@@ -21,24 +21,24 @@
 * Versions and locations to download the third party packages
 *** Gcc C++ Compiler
     The minimum version of gcc required is 4.8.0
-    + gcc   http://gcc.gnu.org/releases.html
-    + gmp   http://gmplib.org/
-            ftp://ftp.gnu.org/gnu/gmp/gmp-5.1.2.tar.bz2
-    + mpfr  http://www.mpfr.org/
-            ftp://ftp.gnu.org/gnu/mpfr/mpfr-3.1.2.tar.bz2
+    + gcc   https://gcc.gnu.org/releases.html
+    + gmp   https://gmplib.org/
+            https://ftp.gnu.org/gnu/gmp/gmp-5.1.2.tar.bz2
+    + mpfr  https://www.mpfr.org/
+            https://ftp.gnu.org/gnu/mpfr/mpfr-3.1.2.tar.bz2
     + mpc   http://www.multiprecision.org/
-            http://www.multiprecision.org/mpc/download/mpc-1.0.1.tar.gz
+            https://ftp.gnu.org/gnu/mpc/mpc-1.0.1.tar.gz
 *** Parallel Processing
 ***** Scotch
       Scotch-6.0.3 is provided with ThirdParty-6 or the original source pack
       may be obtained from:
       + Scotch/PtScotch: https://gforge.inria.fr/frs/download.php/file/34099/scotch_6.0.3.tar.gz
 ***** OpenMPI
-      + OpenMPI: https://www.open-mpi.org/software/ompi/v2.1/downloads/openmpi-2.1.1.tar.bz2
+      + OpenMPI: https://www.open-mpi.org/software/ompi/v2.1/downloads/openmpi-2.1.3.tar.bz2
 *** ParaView
     If the system cmake version is < 3.3.0 you will need to download and build a
     recent version:
-    + cmake          http://www.cmake.org/files/v3.9/cmake-3.9.0.tar.gz
+    + cmake          https://www.cmake.org/files/v3.9/cmake-3.9.0.tar.gz
     + ParaView-5.4.0 http://www.paraview.org/files/v5.4/ParaView-v5.4.0.tar.gz
     is downloaded automatically and compiles without modification.  ParaView is
     compiled by running the =makeParaView= script, i.e.
@@ -49,8 +49,8 @@
     + wmRefresh
 *** CGAL
     + CGAL        https://github.com/CGAL/cgal/releases/download/releases%2FCGAL-4.10/CGAL-4.10.tar.xz
-    + boost       http://sourceforge.net/projects/boost/files/boost/1.55.0/boost_1_55_0.tar.bz2/download
+    + boost       https://sourceforge.net/projects/boost/files/boost/1.55.0/boost_1_55_0.tar.bz2/download
 *** Miscellaneous
-    + libccmio    http://portal.nersc.gov/svn/visit/trunk/third_party/libccmio-2.6.1.tar.gz
+    + libccmio    https://portal.nersc.gov/svn/visit/trunk/third_party/libccmio-2.6.1.tar.gz
 
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