diff --git a/Dockerfile b/Dockerfile
index 504ef6e..9741658 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,10 +21,15 @@ RUN apt-get update \
         unzip \
     && rm -rf /var/lib/apt/lists/*
 
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get install -y --no-install-recommends nodejs \
+    && rm -rf /var/lib/apt/lists/*
+
 RUN python3 -m pip install --no-cache-dir "mbed-cli==1.10.5"
 
 RUN arm-none-eabi-gcc --version \
     && python3 --version \
+    && node --version \
     && mbed --version
 
 WORKDIR /workspace
diff --git a/README.md b/README.md
index eae44e0..0030d2a 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ Installed tools:
 
 - Ubuntu 20.04
 - Python 3
+- Node.js 20
 - `mbed-cli==1.10.5`
 - `gcc-arm-none-eabi` from Ubuntu 20.04 packages
 - `make`, `patch`, `git`, `mercurial`, `curl`, `unzip`