diff --git a/app/.env b/app/.env
index 0a351598..d8838991 100644
--- a/app/.env
+++ b/app/.env
@@ -1,5 +1,5 @@
 VERSION=3.12.5
-MTX_TAG=1.14.0
+MTX_TAG=1.15.3
 IOS_VERSION=17.7.2
 APP_VERSION=3.7.6.2
 SDK_KEY=AQAAAIZ44fijz5pURQiNw4xpEfV9ZysFH8LYBPDxiONQlbLKaDeb7n26TSOPSGHftbRVo25k3uz5of06iGNB4pSfmvsCvm/tTlmML6HKS0vVxZnzEuK95TPGEGt+aE15m6fjtRXQKnUav59VSRHwRj9Z1Kjm1ClfkSPUF5NfUvsb3IAbai0WlzZE1yYCtks7NFRMbTXUMq3bFtNhEERD/7oc504b