diff --git a/Dockerfile b/Dockerfile
index 357b1e0..6d331a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ARG WORKDIR="/opt/arduino"
 
 RUN \
   apt update && \
-  apt install -y wget && \
+  apt install -y python-cheetah && \
   rm -rf /var/lib/apt/lists/* && \
   mkdir -p ${WORKDIR}