diff --git a/Build/NullSoftInstaller.hs b/Build/NullSoftInstaller.hs
index 8f2631d239..e0752024c4 100644
--- a/Build/NullSoftInstaller.hs
+++ b/Build/NullSoftInstaller.hs
@@ -155,4 +155,6 @@ cygwinDlls =
 	, "libcurl-4.dll"
 	, "cyggnutls-26.dll"
 	, "libcrypto.dll"
+	, "libssl.dll"
+	, "cyggcrypt-11.dll"
 	]