diff --git a/testament/important_packages.nim b/testament/important_packages.nim
index 5160637ebf..cc0ab160d2 100644
--- a/testament/important_packages.nim
+++ b/testament/important_packages.nim
@@ -166,6 +166,6 @@ pkg "websocket", "nim c websocket.nim"
 pkg "winim", "nim c winim.nim"
 pkg "with"
 pkg "ws", allowFailure = true
-pkg "yaml", "nim c -r test/tserialization.nim", url = "https://github.com/nim-lang/NimYAML", useHead = true
+pkg "yaml", "nim c -r test/tserialization.nim"
 pkg "zero_functional", "nim c -r -d:nimNoLentIterators test.nim"
 pkg "zippy"