diff --git a/Dockerfile b/Dockerfile
index c0de9b5..134efb9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,8 @@ WORKDIR /app
 # intentionally here only for temporary cache-busting test
 # COPY ./client ./client
 
+RUN apt-get install libsdl2-2.0-0
+
 COPY ./pico8 ./pico8
 # RUN echo "chmoding pico8"
 # RUN chmod +x ./usr/bin/pico8