diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index 7a0cedf..b757669 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -35,6 +35,7 @@
      sha1.c
      sha2.c
      sha4.c
+     ssl_cache.c
      ssl_cli.c 
      ssl_srv.c 
      ssl_tls.c