diff --git a/com.oracle.truffle.r.native/library/base/Makefile b/com.oracle.truffle.r.native/library/base/Makefile
index 9e56056560f802add59e270d8f8024f5ed39984f..dc4c7e545687fb8a744bf0477f20bdb0f10e1cf2 100644
--- a/com.oracle.truffle.r.native/library/base/Makefile
+++ b/com.oracle.truffle.r.native/library/base/Makefile
@@ -52,6 +52,7 @@ post.done:
 # rebuild GNU R in compressed mode
 	(cd $(GNUR_HOME); $(MAKE))
 	touch post.done
+	find $(FASTR_LIBRARY_DIR)/base -type f -exec touch {} +
 
 clean.done:
 	rm -f post.done pre.done