diff --git a/.env b/.env
index 7316ca93..9cf0e835 100644
--- a/.env
+++ b/.env
@@ -73,7 +73,7 @@ NODE_TAG=22-dev-1.41.1
 
 ### --- VARNISH ---
 
-VARNISH_TAG=6.0-4.18.3
+VARNISH_TAG=6.0-4.18.4
 
 ### --- SOLR ---
 
diff --git a/tests/.env b/tests/.env
index e7772785..1825b31b 100644
--- a/tests/.env
+++ b/tests/.env
@@ -9,6 +9,6 @@ DB_HOST=mariadb
 MARIADB_TAG=11.4-3.30.0
 NGINX_TAG=1.27-5.39.10
 VALKEY_TAG=8-0.3.2
-VARNISH_TAG=6.0-4.18.3
+VARNISH_TAG=6.0-4.18.4
 
 WORDPRESS_STABILITY_TAG=4.89.1
\ No newline at end of file