diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 9681364..ee28f21 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -94,6 +94,7 @@
 LOCAL_NO_EMMA_COMPILE:=
 LOCAL_PROGUARD_ENABLED:= # '',optonly,full,custom
 LOCAL_PROGUARD_FLAGS:=
+LOCAL_PROGUARD_FLAG_FILES:=
 LOCAL_EMMA_COVERAGE_FILTER:=
 LOCAL_MANIFEST_FILE:=
 LOCAL_BUILD_HOST_DEX:=
diff --git a/core/java.mk b/core/java.mk
index 90e26c3..ab68214 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -260,11 +260,13 @@
 endif # full
 endif # LOCAL_PROGUARD_ENABLED
 
+proguard_flag_files := $(addprefix $(LOCAL_PATH)/, $(LOCAL_PROGUARD_FLAG_FILES))
+LOCAL_PROGUARD_FLAGS += $(addprefix -include , $(proguard_flag_files))
+
 $(full_classes_proguard_jar): PRIVATE_PROGUARD_ENABLED:=$(LOCAL_PROGUARD_ENABLED)
 $(full_classes_proguard_jar): PRIVATE_PROGUARD_FLAGS := $(proguard_flags) $(LOCAL_PROGUARD_FLAGS)
 $(full_classes_proguard_jar): PRIVATE_INSTRUMENTATION_FOR:=$(strip $(LOCAL_INSTRUMENTATION_FOR))
-
-$(full_classes_proguard_jar): $(full_classes_full_names_jar) | $(ACP) $(PROGUARD)
+$(full_classes_proguard_jar) : $(full_classes_full_names_jar) $(proguard_flag_files) | $(ACP) $(PROGUARD)
 	$(call transform-jar-to-proguard)
 
 ALL_MODULES.$(LOCAL_MODULE).PROGUARD_ENABLED:=$(LOCAL_PROGUARD_ENABLED)