diff --git a/vendor/nim-libp2p b/vendor/nim-libp2p
index ed079aef6..462c2aca3 160000
--- a/vendor/nim-libp2p
+++ b/vendor/nim-libp2p
@@ -1 +1 @@
-Subproject commit ed079aef62538b2b00f347898d0ab1fa1e0761ab
+Subproject commit 462c2aca348af46b6eefd5fe012b66cb1dd05be5
diff --git a/waku/waku_mix/protocol.nim b/waku/waku_mix/protocol.nim
index e57352d92..c77ec46d0 100644
--- a/waku/waku_mix/protocol.nim
+++ b/waku/waku_mix/protocol.nim
@@ -90,7 +90,8 @@ proc new*(
   procCall MixProtocol(m).init(
     localMixNodeInfo,
     peermgr.switch,
-    delayStrategy = NoSamplingDelayStrategy.new(crypto.newRng()),
+    delayStrategy =
+      ExponentialDelayStrategy.new(meanDelayMs = 50, rng = crypto.newRng()),
   )
 
   processBootNodes(bootnodes, peermgr, m)