diff --git a/.env b/.env
index 6605bce..cc3a0a9 100644
--- a/.env
+++ b/.env
@@ -84,6 +84,6 @@ APACHE_TAG=2.4-4.14.7
 ATHENAPDF_TAG=2.16.0
 MEMCACHED_TAG=1-2.17.7
 RSYSLOG_TAG=latest
-WEBGRIND_TAG=1-1.33.3
+WEBGRIND_TAG=1-1.33.4
 OPENSMTPD_TAG=7-1.22.5
 XHPROF_TAG=3.10.3