diff --git a/.changeset/chilly-zoos-exist.md b/.changeset/chilly-zoos-exist.md
new file mode 100644
index 000000000000..02532a135841
--- /dev/null
+++ b/.changeset/chilly-zoos-exist.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Upgrade `@astrojs/compiler` to 0.29.x
diff --git a/packages/astro/package.json b/packages/astro/package.json
index b8c446a1553f..63856c82e8f4 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -100,7 +100,7 @@
     "test:e2e:match": "playwright test -g"
   },
   "dependencies": {
-    "@astrojs/compiler": "^0.28.0",
+    "@astrojs/compiler": "^0.29.5",
     "@astrojs/language-server": "^0.26.2",
     "@astrojs/markdown-remark": "^1.1.3",
     "@astrojs/telemetry": "^1.0.1",
diff --git a/packages/astro/test/astro-directives.test.js b/packages/astro/test/astro-directives.test.js
index f871b2856367..be2a4e5e45ba 100644
--- a/packages/astro/test/astro-directives.test.js
+++ b/packages/astro/test/astro-directives.test.js
@@ -19,8 +19,8 @@ describe('Directives', async () => {
 		let i = 0;
 		for (const script of $('script').toArray()) {
 			// Wrap script in scope ({}) to avoid redeclaration errors
-			expect($(script).text().at(0)).to.equal('{');
-			expect($(script).text().at(-1)).to.equal('}');
+			expect($(script).text().startsWith('(function(){')).to.equal(true);
+			expect($(script).text().endsWith('})();')).to.equal(true);
 			if (i < 2) {
 				// Inline defined variables
 				expect($(script).toString()).to.include('const foo = "bar"');
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9a16845870a1..55de82a23e83 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -362,7 +362,7 @@ importers:
 
   packages/astro:
     specifiers:
-      '@astrojs/compiler': ^0.28.0
+      '@astrojs/compiler': ^0.29.5
       '@astrojs/language-server': ^0.26.2
       '@astrojs/markdown-remark': ^1.1.3
       '@astrojs/telemetry': ^1.0.1
@@ -459,7 +459,7 @@ importers:
       yargs-parser: ^21.0.1
       zod: ^3.17.3
     dependencies:
-      '@astrojs/compiler': 0.28.1
+      '@astrojs/compiler': 0.29.5
       '@astrojs/language-server': 0.26.2
       '@astrojs/markdown-remark': link:../markdown/remark
       '@astrojs/telemetry': link:../telemetry
@@ -3813,8 +3813,8 @@ packages:
     resolution: {integrity: sha512-vBMPy9ok4iLapSyCCT1qsZ9dK7LkVFl9mObtLEmWiec9myGHS9h2kQY2xzPeFNJiWXUf9O6tSyQpQTy5As/p3g==}
     dev: false
 
-  /@astrojs/compiler/0.28.1:
-    resolution: {integrity: sha512-rcuQs5kcT6OshfJxXkZ2Tn61V4/5UAmvZKma/qmNhpAdBkGk6J/1gJ/Gxa2sAS6WNUjUyVo5BRrdsNGW36qkoQ==}
+  /@astrojs/compiler/0.29.5:
+    resolution: {integrity: sha512-XpSJyBO6ha5mGqsD71ie83SOcv3p7zKq6qzngyeLKhccCXtf9Zn/4tGbi/Iq4YmkRBNCjLEkF0wZMYWY+eJYAA==}
     dev: false
 
   /@astrojs/language-server/0.26.2: