diff --git a/build.jam b/build.jam
index e10feb51..071a6164 100644
--- a/build.jam
+++ b/build.jam
@@ -39,6 +39,6 @@ explicit
     ;
 
 call-if : boost-library cobalt
-        : install boost_cobalt boost_cobalt_io
+        : install boost_cobalt boost_cobalt_io boost_cobalt_io_ssl
     ;