diff --git a/project/extras.mk b/project/extras.mk
index f4cec3a..38ef68b 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -1,3 +1,6 @@
 CFLAGS_SHARED_ATTR	+= -DPERK_PRE_ALPHA -DPERK_BUILD
 CFLAGS_STATIC_ATTR	+= -DPERK_PRE_ALPHA -DPERK_STATIC
 CFLAGS_APP_ATTR		+= -DPERK_APP
+
+src/driver/pe_driver_ctx.o:	version.tag
+src/driver/pe_driver_ctx.lo:	version.tag