diff --git a/Dockerfile b/Dockerfile
index b30279d..90c3dc1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN apt-get update \
     && apt-get install --no-install-recommends --yes \
         fontconfig \
         chromium-browser \
-        nodejs \
+        nodejs yarnpkg \
         git \
     && rm -rf /var/lib/apt/lists/*