diff --git a/.gitpod.Dockerfile b/.gitpod.Dockerfile
index 5dbe65e..d97ed4d 100644
--- a/.gitpod.Dockerfile
+++ b/.gitpod.Dockerfile
@@ -1,2 +1,2 @@
 FROM gitpod/workspace-full
-RUN sudo apt-get update && sudo apt-get install libx11-xcb-dev
+RUN sudo apt-get update && sudo apt-get install -y libx11-xcb-dev