diff --git a/languages/typescript/Dockerfile b/languages/typescript/Dockerfile
index 05cd4f8..e90d7e9 100644
--- a/languages/typescript/Dockerfile
+++ b/languages/typescript/Dockerfile
@@ -1,6 +1,6 @@
 FROM node:slim
 LABEL author="1Computer1"
 
-yarn global add typescript @types/node
+RUN yarn global add typescript @types/node
 
 COPY run.sh /var/run/