diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index a2113b2..52a8dc4 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -12,7 +12,9 @@ RUN apt-get update && apt-get install -y \
     vim \
     python3-pip \
     python3-vcstool \
-    bash-completion
+    bash-completion \
+    sudo \
+    && rm -rf /var/lib/apt/lists/*
 
 ARG USERNAME=developer
 ARG USER_UID=1000
@@ -22,8 +24,6 @@ ARG USER_GID=$USER_UID
 RUN groupadd --gid "$USER_GID" "$USERNAME" \
     && useradd --uid "$USER_UID" --gid "$USER_GID" -m "$USERNAME" \
     # Add sudo support
-    && apt-get update \
-    && apt-get install -y sudo \
     && echo "$USERNAME" ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/"$USERNAME" \
     && chmod 0440 /etc/sudoers.d/"$USERNAME"