diff --git a/src/lib/openapi/spec/sdk-context-schema.ts b/src/lib/openapi/spec/sdk-context-schema.ts
index 3260280d6d..a74a022bcb 100644
--- a/src/lib/openapi/spec/sdk-context-schema.ts
+++ b/src/lib/openapi/spec/sdk-context-schema.ts
@@ -5,6 +5,7 @@ export const sdkContextSchema = {
     description: 'The Unleash context as modeled in client SDKs',
     type: 'object',
     required: ['appName'],
+    additionalProperties: true,
     properties: {
         appName: {
             type: 'string',