diff --git a/bypy/sources.json b/bypy/sources.json
index d693021d11..d5c2d2a701 100644
--- a/bypy/sources.json
+++ b/bypy/sources.json
@@ -373,6 +373,16 @@
         }
     },
 
+    {
+        "name": "gnuwin32",
+        "os": "windows",
+		"windows": {
+			"filename": "gnuwin32.zip",
+			"hash": "sha256:4a9dc893cc0a1695a16102a42ef47ef2e228652891f4afea67fadd452b63656b",
+			"urls": ["http://download.qt.io/development_releases/gnuwin32/{filename}"]
+		}
+    },
+
     {
         "name": "qt-base",
         "version": "5.12.3",