diff --git a/nimph.nimble b/nimph.nimble
index 64938a9..9b4c931 100644
--- a/nimph.nimble
+++ b/nimph.nimble
@@ -20,7 +20,7 @@ requires "https://github.com/disruptek/gittyup >= 3.1.0 & < 4.0.0"
 requires "https://github.com/disruptek/ups >= 0.0.7 & < 1.0.0"
 
 when not defined(release):
-  requires "https://github.com/disruptek/balls >= 3.0.0 & < 4.0.0"
+  requires "https://github.com/disruptek/balls#df96789b3bf0cfc4b63c38be7f86ed126fd956be"
 
 task test, "run unit tests":
   when defined(windows):