diff --git a/library/Makefile b/library/Makefile
index 3c4c7ea..ac8f331 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -83,6 +83,7 @@
 	     asn1write.o \
 	     base64.o \
 	     bignum.o \
+	     bignum_new.o \
 	     camellia.o \
 	     ccm.o \
 	     chacha20.o \