diff --git a/Linux/CPPBuilder/Dockerfile b/Linux/CPPBuilder/Dockerfile
index d10805c..e9305c9 100644
--- a/Linux/CPPBuilder/Dockerfile
+++ b/Linux/CPPBuilder/Dockerfile
@@ -8,7 +8,8 @@ RUN apt-get update && apt-get install -y \
         git \
         lsb-release \
         pkg-config \
-        software-properties-common
+        software-properties-common \
+        xvfb
 
 ENV PATH="/root/.local/bin:${PATH}"