diff --git a/model.tex b/model.tex
index 3f9296920bf965a1ecaa8e6ad965e7ac4b31de3b..b42feb8d7a4e032f0f964763b607e77bb41d17ab 100644
--- a/model.tex
+++ b/model.tex
@@ -1,4 +1,4 @@
-\documentclass{beamer}
+\documentclass[aspectratio=169]{beamer}
 
 \usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}