diff --git a/etc/bashrc b/etc/bashrc
index 265d157bad4a2edd2c56e141769e3798da4f52e7..07e5411ce3f836b0024016df3ad3344f2e316312 100644
--- a/etc/bashrc
+++ b/etc/bashrc
@@ -31,7 +31,7 @@
 #------------------------------------------------------------------------------
 
 export WM_PROJECT=OpenFOAM
-export WM_PROJECT_VERSION=v1806
+export WM_PROJECT_VERSION=plus
 
 # [FOAM_INST_DIR] - parent directory containing the OpenFOAM installation.
 # \- When this file is located as $WM_PROJECT_DIR/etc/bashrc, the next lines
diff --git a/etc/cshrc b/etc/cshrc
index 05f49cd61a6442913298688852dd2f47297d366d..a1125b5b70b1ef8b0c2f95cd3f03e1916b4d1cc9 100644
--- a/etc/cshrc
+++ b/etc/cshrc
@@ -31,7 +31,7 @@
 #------------------------------------------------------------------------------
 
 setenv WM_PROJECT OpenFOAM
-setenv WM_PROJECT_VERSION v1806
+setenv WM_PROJECT_VERSION plus
 
 # [FOAM_INST_DIR] - parent directory containing the OpenFOAM installation.
 # \- When this file is located as $WM_PROJECT_DIR/etc/cshrc, the next lines