diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index 33d96b4..d01a8a7 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -55,6 +55,7 @@
      sha256.c
      sha512.c
      ssl_cache.c
+     ssl_cookie.c
      ssl_ciphersuites.c
      ssl_cli.c
      ssl_srv.c