diff --git a/Dockerfile b/Dockerfile
index 4212e68..02b94c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ LABEL description="ISPConfig 3.1 on Debian Stretch, with Roundcube mail, phpMyAd
 # All arguments
 ARG BUILD_CERTBOT="yes"
 ARG BUILD_HOSTNAME="myhost.test.com"
-ARG BUILD_ISPCONFIG_VERSION="3.1.15"
+ARG BUILD_ISPCONFIG_VERSION="3.1.15p2"
 ARG BUILD_ISPCONFIG_DROP_EXISTING="no"
 ARG BUILD_ISPCONFIG_MYSQL_DATABASE="dbispconfig"
 ARG BUILD_ISPCONFIG_PORT="8080"