diff --git a/Tutorial_html_css_bootstrap_total_example/bootstrap/startbootstrap-agency-gh-pages/package-lock.json b/Tutorial_html_css_bootstrap_total_example/bootstrap/startbootstrap-agency-gh-pages/package-lock.json
index c39a037..3095926 100644
--- a/Tutorial_html_css_bootstrap_total_example/bootstrap/startbootstrap-agency-gh-pages/package-lock.json
+++ b/Tutorial_html_css_bootstrap_total_example/bootstrap/startbootstrap-agency-gh-pages/package-lock.json
@@ -4605,9 +4605,9 @@
             "dev": true
         },
         "postcss": {
-            "version": "7.0.17",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.17.tgz",
-            "integrity": "sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==",
+            "version": "7.0.36",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+            "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
             "dev": true,
             "requires": {
                 "chalk": "^2.4.2",