diff --git a/povray_wasm/Dockerfile b/povray_wasm/Dockerfile
index 5645ecf..1beb0bd 100644
--- a/povray_wasm/Dockerfile
+++ b/povray_wasm/Dockerfile
@@ -2,4 +2,17 @@ FROM frolvlad/alpine-gxx
 
 RUN apk update
 
-RUN apk add --update boost-dev zlib-dev libpng-dev jpeg-dev tiff-dev openexr-dev autoconf automake emscripten make
+RUN apk add --update \
+	coreutils \
+	build-base \
+	boost-dev \
+	zlib-dev \
+	libpng-dev \
+	jpeg-dev \
+	tiff-dev \
+	openexr-dev \
+	sdl-dev \
+	autoconf \
+	automake \ 
+	emscripten \
+	make