diff --git a/npm/Dockerfile b/npm/Dockerfile
index 2b05f96..772fe06 100644
--- a/npm/Dockerfile
+++ b/npm/Dockerfile
@@ -1,6 +1,6 @@
 FROM git.janishutz.com/registry/dev-container-base
 
-RUN pacman --noconfirm -S nodejs npm yarn
+RUN pacman --noconfirm -S nodejs npm yarn typescript
 
 COPY eslint.config.mjs /eslint.config.mjs
 COPY setup-eslint /usr/bin/setup-eslint