diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 77f384fd26f..65317d8e94e 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,5 +1,5 @@
 FROM mcr.microsoft.com/devcontainers/base:debian
 
 RUN apt-get update && apt-get -y install --no-install-recommends \
-  build-essential cmake cmake-curses-gui doxygen git graphviz \
+  build-essential cmake cmake-curses-gui default-jdk doxygen gfortran git graphviz \
   less libtool-bin libyajl-dev mpi-default-dev ninja-build valgrind wget
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 5e78e038a21..536cdc01cd9 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -10,6 +10,7 @@
         "ms-python.python",
         "ms-toolsai.jupyter",
         "ms-vscode.cpptools",
+        "ms-vscode.cpptools-extension-pack",
         "ms-vscode.live-server",
         "ms-vscode-remote.remote-containers",
         "ms-azuretools.vscode-docker",