diff --git a/Dockerfile b/Dockerfile
index 134efb9..51bcd9c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ WORKDIR /app
 # intentionally here only for temporary cache-busting test
 # COPY ./client ./client
 
-RUN apt-get install libsdl2-2.0-0
+RUN apt-get install libsdl2-dev
 
 COPY ./pico8 ./pico8
 # RUN echo "chmoding pico8"