diff --git a/Dockerfile.webpack b/Dockerfile.webpack
index 259bb3cdd..bff82f0c1 100644
--- a/Dockerfile.webpack
+++ b/Dockerfile.webpack
@@ -1,3 +1,3 @@
 FROM node:6.3.1
 
-RUN npm install --global yarn
+RUN npm install --global yarn@0.24.5