extra changes for footnote with threeparttable
diff --git a/R/zzz.R b/R/zzz.R
index 38c06b0..a444d34 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -11,6 +11,7 @@
     usepackage_latex("colortbl")
     usepackage_latex("pdflscape")
     usepackage_latex("tabu")
+    usepackage_latex("threeparttable")
     usepackage_latex("threeparttablex")
     usepackage_latex("ulem", "normalem")
   }