diff --git a/misc/Dockerfile.arch b/misc/Dockerfile.arch
index 7b982786..1ea7a9f3 100644
--- a/misc/Dockerfile.arch
+++ b/misc/Dockerfile.arch
@@ -24,6 +24,9 @@ RUN pacman -Sy --noconfirm archlinux-keyring && pacman-key --init && pacman-key
 # Castxml is not provided by pacman
 RUN cd /tmp && git clone https://github.com/CastXML/CastXML.git && cd CastXML && cmake . && make -j && sudo make install
 
+# Provide a fast JS package manager
+RUN npm install -g pnpm@latest
+
 # Become non-root
 RUN groupadd --gid 1000 builder \
   && useradd --uid 1000 --gid 1000 --create-home --shell /bin/bash builder \