diff --git a/scripts/update_newtab.py b/scripts/update_newtab.py
index e98a8ec6..85ba491f 100644
--- a/scripts/update_newtab.py
+++ b/scripts/update_newtab.py
@@ -1,9 +1,19 @@
 import os
+import subprocess
 
 def update_newtab(init: bool = True):
+  # Change to the newtab directory and install dependencies if initializing
   if init:
-    os.system("(cd ./engine/browser/components/newtab && ../../../mach npm install && ../../../mach npm install meow@9.0.0)")
-  os.system("cd ./engine && ./mach npm run bundle --prefix=browser/components/newtab")
+    subprocess.run(
+      ["sh", "-c", "(cd ./engine/browser/components/newtab && ../../../mach npm install && ../../../mach npm install meow@9.0.0)"],
+      check=True
+    )
+  
+  # Bundle the newtab components
+  subprocess.run(
+    ["sh", "-c", "cd ./engine && ./mach npm run bundle --prefix=browser/components/newtab"],
+    check=True
+  )
 
 if __name__ == "__main__":
   update_newtab(False)