diff --git a/global.R b/global.R
index 320bc47..29b7427 100644
--- a/global.R
+++ b/global.R
@@ -1,4 +1,4 @@
-version <- '1.0.8'
+version <- '1.0.9'
 
 # check R version. required R >= 3.5.0
 if(as.numeric(R.Version()$minor) < 5) {