diff --git a/compose.yml b/compose.yml
index 03d32a6..8213ae5 100644
--- a/compose.yml
+++ b/compose.yml
@@ -53,7 +53,7 @@ secrets:
     name: ${STACK_NAME}_initial_root_password_${SECRET_INITIAL_ROOT_PASSWORD_VERSION}
   smtp_password:
     external: true
-    name: ${STACK_NAME}_smtp_password_${SMTP_PASSWORD_VERSION}
+    name: ${STACK_NAME}_smtp_password_${SECRET_SMTP_PASSWORD_VERSION}
   runner_token:
     external: true
     name: ${STACK_NAME}_runner_token_${SECRET_RUNNER_TOKEN_VERSION}