1 files changed, 2 insertions, 1 deletions
diff --git a/packages/astro/src/compiler/transform/index.ts b/packages/astro/src/compiler/transform/index.ts
index 27f5a3212..d622846d9 100644
--- a/packages/astro/src/compiler/transform/index.ts
+++ b/packages/astro/src/compiler/transform/index.ts
@@ -8,6 +8,7 @@ import transformStyles from './styles.js';
 import transformDoctype from './doctype.js';
 import transformModuleScripts from './module-scripts.js';
 import transformCodeBlocks from './prism.js';
+import transformHydration from './hydration.js';
 
 interface VisitorCollection {
   enter: Map<string, VisitorFn[]>;
@@ -84,7 +85,7 @@ export async function transform(ast: Ast, opts: TransformOptions) {
   const cssVisitors = createVisitorCollection();
   const finalizers: Array<() => Promise<void>> = [];
 
-  const optimizers = [transformStyles(opts), transformDoctype(opts), transformModuleScripts(opts), transformCodeBlocks(ast.module)];
+  const optimizers = [transformHydration(), transformStyles(opts), transformDoctype(opts), transformModuleScripts(opts), transformCodeBlocks(ast.module)];
 
   for (const optimizer of optimizers) {
     collectVisitors(optimizer, htmlVisitors, cssVisitors, finalizers);