diff --git a/.env b/.env
index af7c448d..0696fec3 100644
--- a/.env
+++ b/.env
@@ -24,7 +24,7 @@ ELASTIC_VERSION=8.15.3
 KEYCLOAK_SERVER_VERSION=24.0.5
 OPENSEARCH_VERSION=2.16.0
 # renovate: datasource=docker depName=axllent/mailpit
-MAILPIT_VERSION=v1.21.0
+MAILPIT_VERSION=v1.21.1
 POSTGRES_VERSION=14.5-alpine
 HOST=localhost
 KEYCLOAK_HOST=localhost
diff --git a/docker-compose/camunda-8.6/.env b/docker-compose/camunda-8.6/.env
index 5f5e9dcf..6cc0a927 100644
--- a/docker-compose/camunda-8.6/.env
+++ b/docker-compose/camunda-8.6/.env
@@ -11,7 +11,7 @@ CAMUNDA_WEB_MODELER_VERSION=8.6.2
 ELASTIC_VERSION=8.15.3
 KEYCLOAK_SERVER_VERSION=24.0.5
 # renovate: datasource=docker depName=axllent/mailpit
-MAILPIT_VERSION=v1.21.0
+MAILPIT_VERSION=v1.21.1
 POSTGRES_VERSION=14.5-alpine
 HOST=localhost
 KEYCLOAK_HOST=localhost