diff --git a/package.json b/package.json
index 3c1ccbd..44b44b6 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "@popperjs/core": "^2.11.6",
     "angular-oauth2-oidc": "^13",
     "assert": "^2.0.0",
-    "bootstrap": "^4.6.0",
+    "bootstrap": "^5.2.0",
     "browserify-zlib": "^0.2.0",
     "buffer": "^6.0.3",
     "cesium": "^1.97.0",