diff --git a/waku.nimble b/waku.nimble
index c63d20246..a870db2d1 100644
--- a/waku.nimble
+++ b/waku.nimble
@@ -21,7 +21,7 @@ requires "nim >= 2.2.4",
   "libbacktrace",
   "nimcrypto",
   "serialization",
-  "stew",
+  "stew == 0.4.1",
   "stint",
   "metrics",
   "libp2p >= 1.14.2",