diff --git a/Makefile b/Makefile
index aa35da677..cee72ad64 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@ all:
 
 .include "Mk/defaults.mk"
 
-CORE_ABI?=	23.1
+CORE_ABI?=	23.7
 CORE_MESSAGE?=	Carry on my wayward son
 CORE_NAME?=	opnsense-devel
 # adjust src/root/boot/lua/logo-hourglass.lua.in accordingly: