Index: /issm/trunk-jpl/jenkins/pine_island-mac-dakota
===================================================================
--- /issm/trunk-jpl/jenkins/pine_island-mac-dakota	(revision 26416)
+++ /issm/trunk-jpl/jenkins/pine_island-mac-dakota	(revision 26417)
@@ -1,2 +1,6 @@
+# TODO: Change PROJ installation script to latest version once Jenkins macOS 
+#		build node has been upgraded.
+#
+
 #--------------------#
 # ISSM Configuration #
@@ -48,5 +52,5 @@
 	curl		install-7-mac.sh
 	netcdf		install-4.7-parallel.sh
-	proj		install-8.sh
+	proj		install-6.sh
 	gdal		install-3-python.sh
 	gshhg		install.sh
Index: /issm/trunk-jpl/jenkins/pine_island-mac-examples
===================================================================
--- /issm/trunk-jpl/jenkins/pine_island-mac-examples	(revision 26416)
+++ /issm/trunk-jpl/jenkins/pine_island-mac-examples	(revision 26417)
@@ -1,3 +1,7 @@
 # NOTE: Same configuration as pine_island-mac-full
+#
+# TODO: Change PROJ installation script to latest version once Jenkins macOS 
+#		build node has been upgraded.
+#
 
 #--------------------#
@@ -49,5 +53,5 @@
 	curl		install-7-mac.sh
 	netcdf		install-4.7-parallel.sh
-	proj		install-8.sh
+	proj		install-6.sh
 	gdal		install-3-python.sh
 	gshhg		install.sh
Index: /issm/trunk-jpl/jenkins/pine_island-mac-solid_earth
===================================================================
--- /issm/trunk-jpl/jenkins/pine_island-mac-solid_earth	(revision 26416)
+++ /issm/trunk-jpl/jenkins/pine_island-mac-solid_earth	(revision 26417)
@@ -1,2 +1,6 @@
+# TODO: Change PROJ installation script to latest version once Jenkins macOS 
+#		build node has been upgraded.
+#
+
 #--------------------#
 # ISSM Configuration #
@@ -48,5 +52,5 @@
 	curl		install-7-mac.sh
 	netcdf		install-4.7-parallel.sh
-	proj		install-8.sh
+	proj		install-6.sh
 	gdal		install-3-python.sh
 	gshhg		install.sh
Index: /issm/trunk-jpl/jenkins/pine_island-mac-solid_earth-lambert
===================================================================
--- /issm/trunk-jpl/jenkins/pine_island-mac-solid_earth-lambert	(revision 26416)
+++ /issm/trunk-jpl/jenkins/pine_island-mac-solid_earth-lambert	(revision 26417)
@@ -1,2 +1,6 @@
+# TODO: Change PROJ installation script to latest version once Jenkins macOS 
+#		build node has been upgraded.
+#
+
 #--------------------#
 # ISSM Configuration #
@@ -48,5 +52,5 @@
 	curl		install-7-mac.sh
 	netcdf		install-4.7-parallel.sh
-	proj		install-8.sh
+	proj		install-6.sh
 	gdal		install-3-python.sh
 	gshhg		install.sh