diff --git a/build/pkgs/ntl/distros/cygwin.txt b/build/pkgs/ntl/distros/cygwin.txt
new file mode 100644
index 00000000000..fe822a6c887
--- /dev/null
+++ b/build/pkgs/ntl/distros/cygwin.txt
@@ -0,0 +1 @@
+libntl-devel