diff --git a/Dockerfile b/Dockerfile
index 076815e..43c2b0b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ SHELL ["/bin/bash", "-c"]
 RUN apt-get update
 RUN apt-get upgrade -y
 RUN apt-get install curl gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgbm1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates fonts-liberation libnss3 lsb-release xdg-utils wget -y
+RUN tlmgr install tcolorbox
 RUN apt-get clean
 RUN rm -rf /var/lib/apt/lists/*
 RUN useradd -m runner