diff --git a/package.json b/package.json
index 719c660..54cc579 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "bootstrap": "^4.1.0"
   },
   "devDependencies": {
-    "bootstrap": "4.1.x",
+    "bootstrap": "4.3.x",
     "browser-sync": "^2.24.1",
     "gulp": "^3.9.1",
     "gulp-help": "^1.6.1",