diff --git a/Cantera/cxx/src/Makefile.in b/Cantera/cxx/src/Makefile.in
index 5b172fdf1..b8c858b59 100644
--- a/Cantera/cxx/src/Makefile.in
+++ b/Cantera/cxx/src/Makefile.in
@@ -30,7 +30,7 @@ CXX_INCLUDES = -I../../src/base -I../../src/thermo @CXX_INCLUDES@
 .cpp.o:
 	$(CXX) -c $< $(CXX_INCLUDES) $(CXX_FLAGS)
 
-%.d:
+%.d: Makefile %.o
 	@CXX_DEPENDS@ $(CXX_FLAGS) $(CXX_INCLUDES) $*.cpp > $*.d
 
 LIB_NAME=libctcxx
@@ -56,6 +56,8 @@ depends:
 .depends: $(DEPENDS)
 	cat $(DEPENDS) > .depends
 
+$(OBJS): Makefile
+
 ifeq ($(wildcard .depends), .depends)
 include .depends
 endif