diff --git a/Dockerfile b/Dockerfile
index 61f2c9698913677ad57ceb809324d739a5ebcc52..d26152e61143369431f31fc7750492475c2c5c8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && \
     apt-get install -y \
     libgl1-mesa-glx \
+    libxtst6 \
     less \
     nano \
     && apt-get clean && \