diff --git a/process-static b/process-static
index e29dbc33..0147ea4f 100755
--- a/process-static
+++ b/process-static
@@ -42,7 +42,7 @@ stylelint static-tmp/**/*.css
 find static-tmp -name '*.css' -exec csso {} -o {} \;
 
 eslint static-tmp/**/!(fastboot.min.m|z-worker-pako.|pako_inflate.min.|)js
-find static-tmp -name '*.js' -exec terser --ecma 2021 --module -cmo {} {} \;
+find static-tmp -name '*.js' -exec terser --ecma 2022 --module -cmo {} {} \;
 
 replace=
 for file in static-tmp/**/*.css static-tmp/js/*.js static-tmp/**/!(bimi|favicon).svg; do