diff --git a/preprocessing/update_boswachterijen.Rmd b/preprocessing/update_boswachterijen.Rmd
index ac92173..37a5d36 100644
--- a/preprocessing/update_boswachterijen.Rmd
+++ b/preprocessing/update_boswachterijen.Rmd
@@ -42,6 +42,9 @@ for(f in filelist){
   }
 }
 
-save(list = jaren, file = "./data/boswachterijen.rda")
+save(list = jaren, 
+     file = "./data/boswachterijen.rda", 
+     compress = "xz", 
+     ascii = TRUE)
 ```