diff --git a/.env b/.env
index aec68d5b3..a2e8dfbb0 100644
--- a/.env
+++ b/.env
@@ -106,7 +106,7 @@ APACHE_TAG=2.4-4.13.2
 ATHENAPDF_TAG=2.16.0
 DRUPAL_NODE_TAG=1.0-2.0.0
 MEMCACHED_TAG=1-2.17.0
-OPENSMTPD_TAG=6-1.21.0
+OPENSMTPD_TAG=6-1.22.0
 RSYSLOG_TAG=latest
 SELENIUM_CHROME_TAG=3.141
 WEBGRIND_TAG=1-1.30.1