1 files changed, 1 insertions, 0 deletions

diff --git a/ext/Setup b/ext/Setup
index 6b76bdb0ec..157dd8a85d 100644
--- a/ext/Setup
+++ b/ext/Setup
@@ -22,6 +22,7 @@
 #socket
 #stringio
 #strscan
+#syck
 #syslog
 #tcltklib
 #tk