diff --git a/.changeset/giant-fireants-perform.md b/.changeset/giant-fireants-perform.md
new file mode 100644
index 00000000..6d888183
--- /dev/null
+++ b/.changeset/giant-fireants-perform.md
@@ -0,0 +1,5 @@
+---
+"@ledgerhq/wallet-api-manifest-validator": patch
+---
+
+adds optional featureFlag field to the manifest schema
diff --git a/packages/manifest-validator/src/schema/schema.ts b/packages/manifest-validator/src/schema/schema.ts
index f64caef0..7f7ed296 100644
--- a/packages/manifest-validator/src/schema/schema.ts
+++ b/packages/manifest-validator/src/schema/schema.ts
@@ -213,6 +213,25 @@ export const schema = {
     params: {
       type: "object",
     },
+    featureFlags: {
+      oneOf: [
+        {
+          type: "array",
+          uniqueItems: true,
+          items: {
+            type: "string",
+          },
+        },
+        {
+          type: "string",
+          const: "*",
+        },
+      ],
+      errorMessage: {
+        oneOf:
+          'Must be type of array with a least 1 value or a string equal to "*"',
+      },
+    },
   },
   if: {
     properties: {