diff --git a/scripts/update_newtab.py b/scripts/update_newtab.py
index e0898b8f..846e7f04 100644
--- a/scripts/update_newtab.py
+++ b/scripts/update_newtab.py
@@ -12,62 +12,66 @@ ENGINE_DIR = "./engine"
 NPM_INSTALL_COMMANDS = ["npm install", "npm install meow@9.0.0"]
 BUNDLE_COMMAND = "npm run bundle --prefix=browser/components/newtab"
 
+
 def install_dependencies():
-    if not os.path.isdir(NEW_TAB_DIR):
-        logging.error(f"Directory not found: {NEW_TAB_DIR}")
-        raise FileNotFoundError(f"New tab directory {NEW_TAB_DIR} does not exist")
-    
-    for command in NPM_INSTALL_COMMANDS:
-        try:
-            logging.info(f"Running command: {command} in {NEW_TAB_DIR}")
-            subprocess.run(
-                command.split(),
-                cwd=NEW_TAB_DIR,
-                check=True,
-                capture_output=True,
-                text=True
-            )
-            logging.info(f"Successfully executed: {command}")
-        except subprocess.CalledProcessError as e:
-            logging.error(f"Command failed: {command} - {e.stderr}")
-            raise
+  if not os.path.isdir(NEW_TAB_DIR):
+    logging.error(f"Directory not found: {NEW_TAB_DIR}")
+    raise FileNotFoundError(f"New tab directory {NEW_TAB_DIR} does not exist")
+
+  for command in NPM_INSTALL_COMMANDS:
+    try:
+      logging.info(f"Running command: {command} in {NEW_TAB_DIR}")
+      subprocess.run(
+          command.split(),
+          cwd=NEW_TAB_DIR,
+          check=True,
+          capture_output=True,
+          text=True
+      )
+      logging.info(f"Successfully executed: {command}")
+    except subprocess.CalledProcessError as e:
+      logging.error(f"Command failed: {command} - {e.stderr}")
+      raise
+
 
 def bundle_newtab_components():
-    if not os.path.isdir(ENGINE_DIR):
-        logging.error(f"Directory not found: {ENGINE_DIR}")
-        raise FileNotFoundError(f"Engine directory {ENGINE_DIR} does not exist")
-    
-    try:
-        logging.info(f"Bundling newtab components in {ENGINE_DIR}")
-        result = subprocess.run(
-            BUNDLE_COMMAND.split(),
-            cwd=ENGINE_DIR,
-            check=True,
-            capture_output=True,
-            text=True
-        )
-        logging.info(f"Bundle completed successfully: {result.stdout}")
-    except subprocess.CalledProcessError as e:
-        logging.error(f"Bundle failed: {e.stderr}")
-        raise
+  if not os.path.isdir(ENGINE_DIR):
+    logging.error(f"Directory not found: {ENGINE_DIR}")
+    raise FileNotFoundError(f"Engine directory {ENGINE_DIR} does not exist")
+
+  try:
+    logging.info(f"Bundling newtab components in {ENGINE_DIR}")
+    result = subprocess.run(
+        BUNDLE_COMMAND.split(),
+        cwd=ENGINE_DIR,
+        check=True,
+        capture_output=True,
+        text=True
+    )
+    logging.info(f"Bundle completed successfully: {result.stdout}")
+  except subprocess.CalledProcessError as e:
+    logging.error(f"Bundle failed: {e.stderr}")
+    raise
+
 
 def update_newtab(init: bool = True):
-    try:
-        if init:
-            logging.info("Starting dependency installation")
-            install_dependencies()
-            logging.info("Dependencies installed successfully")
-        
-        logging.info("Starting bundle process")
-        bundle_newtab_components()
-        logging.info("Newtab update completed successfully")
-        
-    except (subprocess.CalledProcessError, FileNotFoundError) as e:
-        logging.error(f"Update process failed: {str(e)}")
-        raise
-    except Exception as e:
-        logging.error(f"Unexpected error: {str(e)}")
-        raise
+  try:
+    if init:
+      logging.info("Starting dependency installation")
+      install_dependencies()
+      logging.info("Dependencies installed successfully")
+
+    logging.info("Starting bundle process")
+    bundle_newtab_components()
+    logging.info("Newtab update completed successfully")
+
+  except (subprocess.CalledProcessError, FileNotFoundError) as e:
+    logging.error(f"Update process failed: {str(e)}")
+    raise
+  except Exception as e:
+    logging.error(f"Unexpected error: {str(e)}")
+    raise
+
 
 if __name__ == "__main__":
-    update_newtab(init=False)
+  update_newtab(init=False)
diff --git a/src/browser/app/profile/zen-browser.js b/src/browser/app/profile/zen-browser.js
index 70d50536..f97d41c2 100644
--- a/src/browser/app/profile/zen-browser.js
+++ b/src/browser/app/profile/zen-browser.js
@@ -256,7 +256,7 @@ pref('browser.migrate.opera.enabled', true);
 // pref('network.trr.mode', 5);
 
 // security: They must enable this themselves, to avoid people downloading malware
-pref('xpinstall.signatures.required', false);
+pref('xpinstall.signatures.required', true);
 
 // Experimental Zen Features
 // Strategy to use for bytecode cache (Thanks https://github.com/gunir)