diff --git a/Dockerfile.env b/Dockerfile.env
index ecf6ada..e7a38ce 100644
--- a/Dockerfile.env
+++ b/Dockerfile.env
@@ -9,8 +9,8 @@ RUN apk add --no-cache \
 COPY . /usr/local/fm
 
 RUN cd /usr/local/fm \
-    && yarn install \
-    && yarn cache clean
+    && /home/ambrose/.local/bin/yarn install \
+    && /home/ambrose/.local/bin/yarn cache clean
 
 USER ambrose