diff --git a/build.sh b/build.sh
index 4c729dc..80f8ab8 100755
--- a/build.sh
+++ b/build.sh
@@ -44,9 +44,7 @@ for font in \
     subset_ttf="${font%.ttf}-Subset.ttf"
     hb-subset "$font" \
         --output-file="$subset_ttf" \
-        --text-file=all_chars.txt \
-        --layout-features='*' \
-        --passthrough-tables
+        --keep-everything \
 
     woff2_compress "$subset_ttf"