diff --git a/ssl/CMakeLists.txt b/ssl/CMakeLists.txt
index 8617639..a5ad126 100644
--- a/ssl/CMakeLists.txt
+++ b/ssl/CMakeLists.txt
@@ -38,6 +38,8 @@
   $<TARGET_OBJECTS:pqueue>
 )
 
+target_link_libraries(ssl crypto)
+
 add_executable(
   ssl_test