diff --git a/.changeset/unlucky-dragons-end.md b/.changeset/unlucky-dragons-end.md
new file mode 100644
index 00000000..4656b684
--- /dev/null
+++ b/.changeset/unlucky-dragons-end.md
@@ -0,0 +1,5 @@
+---
+'@inox-tools/astro-when': patch
+---
+
+Inject types in `.astro` folder structure if the utility is available
diff --git a/packages/astro-when/src/index.ts b/packages/astro-when/src/index.ts
index 1402e5cc..6da39597 100644
--- a/packages/astro-when/src/index.ts
+++ b/packages/astro-when/src/index.ts
@@ -68,6 +68,16 @@ export default defineIntegration({
 					},
 				});
 			},
+			'astro:config:done': (params) => {
+				// Check if the version of Astro being used has the `injectTypes` utility.
+				if (typeof params.injectTypes === 'function') {
+					debug('Injecting types in .astro structure');
+					params.injectTypes({
+						filename: 'types.d.ts',
+						content: "import '@inox-tools/astro-when';",
+					});
+				}
+			},
 		},
 	}),
 });