diff --git a/runTests.ps1 b/runTests.ps1
index fba826d25..0f208a140 100644
--- a/runTests.ps1
+++ b/runTests.ps1
@@ -1,3 +1,5 @@
+npm install -g gulp typescript jest
+
 npm --prefix core ci
 npm --prefix core run build
 npm --prefix bolt-connection ci