diff --git a/etc/settings.csh b/etc/settings.csh
index 6628473269..5a05565421 100644
--- a/etc/settings.csh
+++ b/etc/settings.csh
@@ -87,11 +87,11 @@ switch ("$compilerInstall")
 case OpenFOAM:
     switch ("$WM_COMPILER")
     case Gcc:
-        setenv WM_COMPILER_DIR $WM_THIRD_PARTY_DIR/gcc-4.4.2/platforms/$WM_ARCH$WM_COMPILER_ARCH
-        _foamAddLib $WM_THIRD_PARTY_DIR/mpfr-2.4.1/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
-        _foamAddLib $WM_THIRD_PARTY_DIR/gmp-4.2.4/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
+        setenv WM_COMPILER_DIR $WM_THIRD_PARTY_DIR/gcc-4.4.3/platforms/$WM_ARCH$WM_COMPILER_ARCH
+        _foamAddLib $WM_THIRD_PARTY_DIR/mpfr-2.4.2/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
+        _foamAddLib $WM_THIRD_PARTY_DIR/gmp-5.0.0/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
     breaksw
-    case Gcc44:
+    case Gcc442:
         setenv WM_COMPILER_DIR $WM_THIRD_PARTY_DIR/gcc-4.4.2/platforms/$WM_ARCH$WM_COMPILER_ARCH
         _foamAddLib $WM_THIRD_PARTY_DIR/mpfr-2.4.1/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
         _foamAddLib $WM_THIRD_PARTY_DIR/gmp-4.2.4/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
@@ -132,7 +132,7 @@ unset MPI_ARCH_PATH
 
 switch ("$WM_MPLIB")
 case OPENMPI:
-    set mpi_version=openmpi-1.4
+    set mpi_version=openmpi-1.4.1
     setenv MPI_HOME $WM_THIRD_PARTY_DIR/$mpi_version
     setenv MPI_ARCH_PATH $MPI_HOME/platforms/$WM_OPTIONS
 
diff --git a/etc/settings.sh b/etc/settings.sh
index 8b3cebe42e..1be6298b06 100644
--- a/etc/settings.sh
+++ b/etc/settings.sh
@@ -111,6 +111,11 @@ case "${compilerInstall:-OpenFOAM}" in
 OpenFOAM)
     case "$WM_COMPILER" in
     Gcc)
+        export WM_COMPILER_DIR=$WM_THIRD_PARTY_DIR/gcc-4.4.3/platforms/$WM_ARCH$WM_COMPILER_ARCH
+        _foamAddLib $WM_THIRD_PARTY_DIR/mpfr-2.4.2/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
+        _foamAddLib $WM_THIRD_PARTY_DIR/gmp-5.0.0/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
+        ;;
+    Gcc442)
         export WM_COMPILER_DIR=$WM_THIRD_PARTY_DIR/gcc-4.4.2/platforms/$WM_ARCH$WM_COMPILER_ARCH
         _foamAddLib $WM_THIRD_PARTY_DIR/mpfr-2.4.1/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
         _foamAddLib $WM_THIRD_PARTY_DIR/gmp-4.2.4/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
@@ -163,7 +168,7 @@ unset MPI_ARCH_PATH
 
 case "$WM_MPLIB" in
 OPENMPI)
-    mpi_version=openmpi-1.4
+    mpi_version=openmpi-1.4.1
     export MPI_HOME=$WM_THIRD_PARTY_DIR/$mpi_version
     export MPI_ARCH_PATH=$MPI_HOME/platforms/$WM_OPTIONS