diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 766b86554..c7668a6b3 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -12,4 +12,5 @@ RUN wget -nv https://github.com/Kitware/CMake/releases/download/v3.24.2/cmake-3.
 
 
 RUN echo "nameserver 8.8.8.8" >> /etc/resolv.conf
+RUN echo "nameserver 9.9.9.9" >> /etc/resolv.conf