diff --git a/Makefile b/Makefile
index 9c291f6..92a4065 100644
--- a/Makefile
+++ b/Makefile
@@ -116,13 +116,13 @@ tswatch:
 
 node_modules/.bin/tsc:
 	-mkdir -p node_modules/.bin
-	npm ci
+	npm ci --ignore-scripts
 
 install-js: node_modules/.bin/tsc
 
 install-js0:
 	-mkdir -p node_modules/.bin
-	npm install --save-dev --save-exact typescript@5.1.6
+	npm install --ignore-scripts --save-dev --save-exact typescript@5.1.6
 
 webmail/webmail.js: lib.ts webmail/api.ts webmail/lib.ts webmail/webmail.ts
 	./tsc.sh $@ $^