diff --git a/main.tex b/main.tex
index 7e1c308..3a00178 100644
--- a/main.tex
+++ b/main.tex
@@ -37,7 +37,7 @@
 \usepackage{microtype}
 \usepackage{longtable}
 % numbering
-\setsecnumdepth{subsection}
+\setsecnumdepth{subsubsection}
 \maxtocdepth   {subsection}
 \setlength{\parskip}{5pt}
 \usepackage{enumerate}