diff --git a/src/Makevars b/src/Makevars
new file mode 100644
index 00000000..bb3719b1
--- /dev/null
+++ b/src/Makevars
@@ -0,0 +1 @@
+PKG_LIBS = $(shell ${R_HOME}/bin/Rscript -e "RcppParallel::RcppParallelLibs()")