diff --git a/packages/core/src/utils/id.ts b/packages/core/src/utils/id.ts
index c57dced5e..ef06da84a 100644
--- a/packages/core/src/utils/id.ts
+++ b/packages/core/src/utils/id.ts
@@ -4,4 +4,4 @@ export const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrs
 
 export const buildIdGenerator = (size: number) => customAlphabet(alphabet, size);
 
-export const buildApplicationSecret = buildIdGenerator(64);
+export const buildApplicationSecret = buildIdGenerator(21);