diff --git a/common.mk b/common.mk
index f2261bf3bb..52ad6c6032 100644
--- a/common.mk
+++ b/common.mk
@@ -874,6 +874,16 @@ $(OBJS):  {$(VPATH)}config.h {$(VPATH)}missing.h
 INSNS2VMOPT = --srcdir="$(srcdir)"
 
 srcs_vpath = {$(VPATH)}
+
+# TODO: dependencies on tool/ruby_vm scripts.
+$(srcs_vpath)opt_sc.inc: $(srcdir)/tool/ruby_vm/views/opt_sc.inc.erb
+$(srcs_vpath)optinsn.inc: $(srcdir)/tool/ruby_vm/views/optinsn.inc.erb
+$(srcs_vpath)optunifs.inc: $(srcdir)/tool/ruby_vm/views/optunifs.inc.erb
+$(srcs_vpath)insns.inc: $(srcdir)/tool/ruby_vm/views/insns.inc.erb
+$(srcs_vpath)insns_info.inc: $(srcdir)/tool/ruby_vm/views/insns_info.inc.erb
+$(srcs_vpath)vmtc.inc: $(srcdir)/tool/ruby_vm/views/vmtc.inc.erb
+$(srcs_vpath)vm.inc: $(srcdir)/tool/ruby_vm/views/vm.inc.erb
+
 common-srcs: $(srcs_vpath)parse.c $(srcs_vpath)lex.c $(srcs_vpath)enc/trans/newline.c $(srcs_vpath)id.c \
 	     srcs-lib srcs-ext incs