diff --git a/Dockerfile b/Dockerfile
index 45b00c0fe8431dc00bbe202f45105219984ccced..5b08ba9706ca6c5d950e501fbc9e1c0a52768bcd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,10 @@
-
 FROM debian
 
 RUN apt-get update && apt-get -y install \
-    build-essential \
     freeglut3-dev \
     gtkwave \
     texinfo \
+    libncurses-dev \
     elfutils \
     ctags \
     libelf1 \
@@ -18,6 +17,7 @@ RUN apt-get update && apt-get -y install \
     arduino-mk \
     && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
+# Get us Simavr
 WORKDIR /tmp/
 RUN git clone https://github.com/buserror/simavr.git --single-branch --depth 1