diff --git a/demo/package.json b/demo/package.json
index b39d7f5..bfad0e9 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -8,7 +8,7 @@
     "serve": "vite build && vite preview"
   },
   "devDependencies": {
-    "cesium": "^1.85.0",
+    "cesium": "^1.88.0",
     "vite": "^2.7.1",
     "vite-plugin-cesium": "^1.2.10"
   }
diff --git a/package.json b/package.json
index c62b368..e23fbee 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,6 @@
     "vite": "^2.7.1"
   },
   "peerDependencies": {
-    "cesium": "^1.85.0"
+    "cesium": "^1.88.0"
   }
 }