diff --git a/library/Makefile b/library/Makefile
index f5ff474..3c4c7ea 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -103,6 +103,7 @@
 	     entropy_poll.o \
 	     error.o \
 	     gcm.o \
+	     hash_info.o \
 	     hkdf.o \
 	     hmac_drbg.o \
 	     md.o \