diff --git a/Ubuntu/Dockerfile b/Ubuntu/Dockerfile
index 31cafbb..6f7d7fa 100644
--- a/Ubuntu/Dockerfile
+++ b/Ubuntu/Dockerfile
@@ -21,7 +21,8 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
     qt6-declarative-dev \
     libqt6opengl6-dev \
     libqt6svg6-dev \
-    libqt6websockets6-dev
+    libqt6websockets6-dev \
+    wget
 
 #install vtk 9.3 to work around an issue in vtk 9.3.1
 wget https://www.vtk.org/files/release/9.3/VTK-9.3.1.tar.gz \