diff --git a/environments/Dockerfile b/environments/Dockerfile
index 9f86aa1..3d12009 100644
--- a/environments/Dockerfile
+++ b/environments/Dockerfile
@@ -21,6 +21,7 @@ RUN apt-get update && $INST \
     libsdl2-dev \
     make \
     ninja-build \
+    patch \
     python3-dev \
     python3-pip \
     python3-setuptools \