diff --git a/Dockerfile.lightpushWithMix.compile b/Dockerfile.lightpushWithMix.compile
index fc7e01d0d..798be2e06 100644
--- a/Dockerfile.lightpushWithMix.compile
+++ b/Dockerfile.lightpushWithMix.compile
@@ -43,7 +43,8 @@ EXPOSE 30303 60000 8545
 RUN apk add --no-cache libgcc pcre-dev libpq-dev \
   wget \
   iproute2 \
-  python3
+  python3 \
+  jq
 
 # Fix for 'Error loading shared library libpcre.so.3: No such file or directory'
 RUN ln -s /usr/lib/libpcre.so /usr/lib/libpcre.so.3
diff --git a/examples/lightpush_publisher_mix.nim b/examples/lightpush_publisher_mix.nim
index 8eca6ad8e..491c72cb1 100644
--- a/examples/lightpush_publisher_mix.nim
+++ b/examples/lightpush_publisher_mix.nim
@@ -98,7 +98,8 @@ proc setupAndPublish(rng: ref HmacDrbgContext, conf: LPMixConf) {.async.} =
 
   let (destPeerAddr, destPeerId) = splitPeerIdAndAddr(conf.destPeerAddr)
   let (pxPeerAddr, pxPeerId) = splitPeerIdAndAddr(conf.pxAddr)
-
+  info "dest peer address: ", destPeerAddr = destPeerAddr, destPeerId = destPeerId
+  info "peer exchange address: ", pxPeerAddr = pxPeerAddr, pxPeerId = pxPeerId
   let pxPeerInfo =
     RemotePeerInfo.init(destPeerId, @[MultiAddress.init(destPeerAddr).get()])
   node.peerManager.addServicePeer(pxPeerInfo, WakuPeerExchangeCodec)
diff --git a/vendor/mix b/vendor/mix
index bb26ba75a..9ff3f4cae 160000
--- a/vendor/mix
+++ b/vendor/mix
@@ -1 +1 @@
-Subproject commit bb26ba75a6d479619703e29333f48a9ac9adc753
+Subproject commit 9ff3f4cae579f50c16e6c2084ac0cf39e34b440c
diff --git a/waku/node/waku_node.nim b/waku/node/waku_node.nim
index 6163d2fe6..740e61ec4 100644
--- a/waku/node/waku_node.nim
+++ b/waku/node/waku_node.nim
@@ -325,7 +325,7 @@ proc startMixNodePoolMgr*(node: WakuNode) {.async.} =
     await sleepAsync(1.seconds)
 
   # TODO: make interval configurable
-  heartbeat "Updating mix node pool", 10.minutes:
+  heartbeat "Updating mix node pool", 5.seconds:
     discard node.populateMixNodePool()
 
 proc getMixNodePoolSize*(node: WakuNode): int =