diff --git a/letter.latex b/letter.latex
index 034a03a..a9c76ec 100644
--- a/letter.latex
+++ b/letter.latex
@@ -14,6 +14,8 @@
 
 \usepackage{parskip}
 
+\usepackage{csquotes} % German quotation marks
+
 \usepackage{graphics}
 
 \usepackage{booktabs}