diff --git a/packages/cra-template-custom/yarn.lock b/packages/cra-template-custom/yarn.lock
index b61dbd1..0765bb6 100644
--- a/packages/cra-template-custom/yarn.lock
+++ b/packages/cra-template-custom/yarn.lock
@@ -6409,9 +6409,9 @@ memory-fs@^0.5.0:
     readable-stream "^2.0.1"
 
 merge-deep@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/merge-deep/-/merge-deep-3.0.2.tgz#f39fa100a4f1bd34ff29f7d2bf4508fbb8d83ad2"
-  integrity sha512-T7qC8kg4Zoti1cFd8Cr0M+qaZfOwjlPDEdZIIPPB2JZctjaPM4fX+i7HOId69tAti2fvO6X5ldfYUONDODsrkA==
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/merge-deep/-/merge-deep-3.0.3.tgz#1a2b2ae926da8b2ae93a0ac15d90cd1922766003"
+  integrity sha512-qtmzAS6t6grwEkNrunqTBdn0qKwFgNWvlxUbAV8es9M7Ot1EbyApytCnvE0jALPa46ZpKDUo527kKiaWplmlFA==
   dependencies:
     arr-union "^3.1.0"
     clone-deep "^0.2.4"