Index: /issm/trunk-jpl/jenkins/mac-intel-basic
===================================================================
--- /issm/trunk-jpl/jenkins/mac-intel-basic	(revision 27791)
+++ /issm/trunk-jpl/jenkins/mac-intel-basic	(revision 27792)
@@ -12,5 +12,5 @@
 	--with-numthreads=4 \
 	--with-matlab-dir=${MATLAB_PATH} \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc/12.2.0/lib/gcc/12 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/Cellar/gcc/13.1.0/lib/gcc/13 -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
Index: /issm/trunk-jpl/jenkins/mac-intel-binaries-matlab
===================================================================
--- /issm/trunk-jpl/jenkins/mac-intel-binaries-matlab	(revision 27791)
+++ /issm/trunk-jpl/jenkins/mac-intel-binaries-matlab	(revision 27792)
@@ -20,5 +20,5 @@
 	--disable-dependency-tracking \
 	--with-matlab-dir=${MATLAB_PATH} \
-	--with-fortran-lib="/usr/local/Cellar/gcc/12.2.0/lib/gcc/12/libgfortran.a /usr/local/Cellar/gcc/12.2.0/lib/gcc/12/libquadmath.a /usr/local/Cellar/gcc/12.2.0/lib/gcc/12/gcc/x86_64-apple-darwin21/12/libgcc.a" \
+	--with-fortran-lib="/usr/local/Cellar/gcc/13.1.0/lib/gcc/13/libgfortran.a /usr/local/Cellar/gcc/13.1.0/lib/gcc/13/libquadmath.a /usr/local/Cellar/gcc/13.1.0/lib/gcc/13/gcc/x86_64-apple-darwin21/13/libgcc.a" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
Index: /issm/trunk-jpl/jenkins/mac-intel-dakota
===================================================================
--- /issm/trunk-jpl/jenkins/mac-intel-dakota	(revision 27791)
+++ /issm/trunk-jpl/jenkins/mac-intel-dakota	(revision 27792)
@@ -20,5 +20,5 @@
 	--with-python-dir=/System/Volumes/Data/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9 \
 	--with-python-numpy-dir=/Library/Python/3.9/site-packages/numpy/core/include/numpy \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc/12.2.0/lib/gcc/12 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/Cellar/gcc/13.1.0/lib/gcc/13 -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
Index: /issm/trunk-jpl/jenkins/mac-intel-examples
===================================================================
--- /issm/trunk-jpl/jenkins/mac-intel-examples	(revision 27791)
+++ /issm/trunk-jpl/jenkins/mac-intel-examples	(revision 27792)
@@ -23,5 +23,5 @@
 	--with-python-dir=/System/Volumes/Data/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9 \
 	--with-python-numpy-dir=/Library/Python/3.9/site-packages/numpy/core/include/numpy \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc/12.2.0/lib/gcc/12 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/Cellar/gcc/13.1.0/lib/gcc/13 -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
Index: /issm/trunk-jpl/jenkins/mac-intel-full
===================================================================
--- /issm/trunk-jpl/jenkins/mac-intel-full	(revision 27791)
+++ /issm/trunk-jpl/jenkins/mac-intel-full	(revision 27792)
@@ -27,5 +27,5 @@
 	--with-python-dir=/System/Volumes/Data/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9 \
 	--with-python-numpy-dir=/Library/Python/3.9/site-packages/numpy/core/include/numpy \
-	--with-fortran-lib="-L/opt/homebrew/Cellar/gcc/12.2.0/lib/gcc/12 -lgfortran" \
+	--with-fortran-lib="-L/opt/homebrew/Cellar/gcc/13.1.0/lib/gcc/13 -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
Index: /issm/trunk-jpl/jenkins/mac-intel-solid_earth
===================================================================
--- /issm/trunk-jpl/jenkins/mac-intel-solid_earth	(revision 27791)
+++ /issm/trunk-jpl/jenkins/mac-intel-solid_earth	(revision 27792)
@@ -23,5 +23,5 @@
 	--with-python-dir=/System/Volumes/Data/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9 \
 	--with-python-numpy-dir=/Library/Python/3.9/site-packages/numpy/core/include/numpy \
-	--with-fortran-lib="-L/usr/local/Cellar/gcc/12.2.0/lib/gcc/12 -lgfortran" \
+	--with-fortran-lib="-L/usr/local/Cellar/gcc/13.1.0/lib/gcc/13 -lgfortran" \
 	--with-mpi-include=${ISSM_DIR}/externalpackages/petsc/install/include \
 	--with-mpi-libflags="-L${ISSM_DIR}/externalpackages/petsc/install/lib -lmpi -lmpicxx -lmpifort" \
Index: /issm/trunk-jpl/test/NightlyRun/test419.m
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test419.m	(revision 27791)
+++ /issm/trunk-jpl/test/NightlyRun/test419.m	(revision 27792)
@@ -10,5 +10,5 @@
 %Fields and tolerances to track changes
 field_names     ={'Vx','Vy','Vz','Vel','Pressure'};
-field_tolerances={2e-09,1e-09,1e-09,1e-09,1e-09};
+field_tolerances={2e-09,2e-09,1e-09,2e-09,1e-09};
 field_values={...
 	(md.results.StressbalanceSolution.Vx),...
Index: /issm/trunk-jpl/test/NightlyRun/test419.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test419.py	(revision 27791)
+++ /issm/trunk-jpl/test/NightlyRun/test419.py	(revision 27792)
@@ -19,5 +19,5 @@
 #Fields and tolerances to track changes
 field_names = ['Vx', 'Vy', 'Vz', 'Vel', 'Pressure']
-field_tolerances = [2e-09, 1e-09, 1e-09, 1e-09, 1e-09]
+field_tolerances = [2e-09, 2e-09, 1e-09, 2e-09, 1e-09]
 field_values = [md.results.StressbalanceSolution.Vx,
                 md.results.StressbalanceSolution.Vy,