diff --git a/.changeset/gentle-wasps-pull.md b/.changeset/gentle-wasps-pull.md
new file mode 100644
index 0000000000..0251323883
--- /dev/null
+++ b/.changeset/gentle-wasps-pull.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: allow classes to be reassigned
diff --git a/packages/svelte/src/compiler/phases/scope.js b/packages/svelte/src/compiler/phases/scope.js
index 91d4268ea0..a367ab8f49 100644
--- a/packages/svelte/src/compiler/phases/scope.js
+++ b/packages/svelte/src/compiler/phases/scope.js
@@ -476,7 +476,7 @@ export function create_scopes(ast, root, allow_reactive_declarations, parent) {
 		SwitchStatement: create_block_scope,
 
 		ClassDeclaration(node, { state, next }) {
-			if (node.id) state.scope.declare(node.id, 'normal', 'const', node);
+			if (node.id) state.scope.declare(node.id, 'normal', 'let', node);
 			next();
 		},