diff --git a/Dockerfile b/Dockerfile
index e909171..cdf2cd1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,7 @@ RUN apt update -y && apt upgrade -y
 RUN apt install make texlive latexmk texlive-pictures -y
 RUN apt install texlive-publishers texlive-science texlive-fonts-extra texlive-latex-extra -y
 RUN apt install biber texlive-bibtex-extra -y
+RUN apt install texlive-lang-german -y
 
 RUN apt install python3 python3-pygments -y