diff --git a/etc/config.csh/settings b/etc/config.csh/settings
index 602f24a5e5..6da102d68c 100644
--- a/etc/config.csh/settings
+++ b/etc/config.csh/settings
@@ -240,6 +240,9 @@ case ThirdParty:
     case Gcc61:
         set gcc_version=gcc-6.1.0
         breaksw
+    case Gcc73:
+        set gcc_version=gcc-7.3.0
+        breaksw
     case Gcc81:
         set gcc_version=gcc-8.1.0
         breaksw
diff --git a/etc/config.sh/compiler b/etc/config.sh/compiler
index 52730251aa..c03372b3b9 100644
--- a/etc/config.sh/compiler
+++ b/etc/config.sh/compiler
@@ -57,6 +57,9 @@ OpenFOAM | ThirdParty)
     Gcc61)
         gcc_version=gcc-6.1.0
         ;;
+    Gcc73)
+        gcc_version=gcc-7.3.0
+        ;;
     Gcc81)
         gcc_version=gcc-8.1.0
         ;;