diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index 5adc128..a5d692c 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -106,6 +106,7 @@
     ssl_tls13_keys.c
     ssl_tls13_server.c
     ssl_tls13_client.c
+    ssl_tls13_generic.c
 )
 
 if(CMAKE_COMPILER_IS_GNUCC)