diff --git a/.changeset/calm-spiders-listen.md b/.changeset/calm-spiders-listen.md
new file mode 100644
index 000000000000..3503c5010314
--- /dev/null
+++ b/.changeset/calm-spiders-listen.md
@@ -0,0 +1,5 @@
+---
+"@astrojs/svelte": minor
+---
+
+Bumps Svelte 5 peer dependency to `^5.0.0-next.90` and support its latest breaking changes
diff --git a/packages/integrations/svelte/client-v5.js b/packages/integrations/svelte/client-v5.js
index 819363d5e0f1..755a6aa5381e 100644
--- a/packages/integrations/svelte/client-v5.js
+++ b/packages/integrations/svelte/client-v5.js
@@ -1,5 +1,5 @@
 import { hydrate, mount, unmount } from 'svelte';
-import { add_snippet_symbol } from 'svelte/internal';
+import { add_snippet_symbol } from 'svelte/internal/client';
 
 // Allow a slot to be rendered as a snippet (dev validation only)
 const tagSlotAsSnippet = import.meta.env.DEV ? add_snippet_symbol : (s) => s;
diff --git a/packages/integrations/svelte/package.json b/packages/integrations/svelte/package.json
index eef0b04fffd4..ce2f2f40108c 100644
--- a/packages/integrations/svelte/package.json
+++ b/packages/integrations/svelte/package.json
@@ -53,7 +53,7 @@
   },
   "peerDependencies": {
     "astro": "^4.0.0",
-    "svelte": "^4.0.0 || ^5.0.0-next.56",
+    "svelte": "^4.0.0 || ^5.0.0-next.90",
     "typescript": "^5.3.3"
   },
   "engines": {
diff --git a/packages/integrations/svelte/server-v5.js b/packages/integrations/svelte/server-v5.js
index b4ef33824d96..04a24eff2474 100644
--- a/packages/integrations/svelte/server-v5.js
+++ b/packages/integrations/svelte/server-v5.js
@@ -1,4 +1,4 @@
-import { add_snippet_symbol } from 'svelte/internal';
+import { add_snippet_symbol } from 'svelte/internal/server';
 import { render } from 'svelte/server';
 
 // Allow a slot to be rendered as a snippet (dev validation only)