diff --git a/conf/includes/gl.conf.sh b/conf/includes/gl.conf.sh
index e62da96..ccfed3a 100644
--- a/conf/includes/gl.conf.sh
+++ b/conf/includes/gl.conf.sh
@@ -32,7 +32,7 @@ export SHARED_HOME="false"
 export SSHD_PERMITROOT_RANGE="192.168.1.0/24"
 
 # Check MK
-export MK_VERSION="2.2.0p21-1"
+export MK_VERSION="2.3.0p15-1"
 export MK_URL="http://192.168.1.201/check_mk/check_mk/agents/check-mk-agent_${MK_VERSION}_all.deb"
 export MK_SERVER_IP="192.168.1.201"