diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index a7f978a..13d9549 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -10,6 +10,7 @@
      certs.c
      cipher.c
      cipher_wrap.c
+     ctr_drbg.c
      debug.c
      des.c
      dhm.c