diff --git a/grstat.Rproj b/grstat.Rproj
index 6515568..028250a 100644
--- a/grstat.Rproj
+++ b/grstat.Rproj
@@ -1,4 +1,5 @@
 Version: 1.0
+ProjectId: d350bac8-4795-42a0-a32d-ccb93a467950
 
 RestoreWorkspace: No
 SaveWorkspace: No