diff --git a/cabal.project b/cabal.project
index 12488b34ae1..91ce8adc373 100644
--- a/cabal.project
+++ b/cabal.project
@@ -14,7 +14,7 @@ repository cardano-haskell-packages
 -- you need to run if you change them
 index-state:
   , hackage.haskell.org 2024-06-13T08:49:27Z
-  , cardano-haskell-packages 2024-06-27T00:19:07Z
+  , cardano-haskell-packages 2024-06-28T18:16:58Z
 
 packages:
   cardano-node
diff --git a/cardano-node/src/Cardano/Node/Run.hs b/cardano-node/src/Cardano/Node/Run.hs
index 6599ac799a6..08b0feed168 100644
--- a/cardano-node/src/Cardano/Node/Run.hs
+++ b/cardano-node/src/Cardano/Node/Run.hs
@@ -874,7 +874,7 @@ mkP2PArguments NodeConfiguration {
       , P2P.daProtocolIdleTimeout   = ncProtocolIdleTimeout
       , P2P.daTimeWaitTimeout       = ncTimeWaitTimeout
       , P2P.daDeadlineChurnInterval = 3300
-      , P2P.daBulkChurnInterval     = 300
+      , P2P.daBulkChurnInterval     = 900
       , P2P.daOwnPeerSharing        = ncPeerSharing
       }
   where
diff --git a/flake.lock b/flake.lock
index c499163cec3..2717c33fe54 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "CHaP": {
       "flake": false,
       "locked": {
-        "lastModified": 1719449018,
-        "narHash": "sha256-SHrUrjiohM2RMe0DctdO3vDDA40tI8NVTKmwc3egaeY=",
+        "lastModified": 1719609872,
+        "narHash": "sha256-a6M9mYbJh4ctk4aOpkyztmFOt0H72GK1Gg4BbV8atTU=",
         "owner": "intersectmbo",
         "repo": "cardano-haskell-packages",
-        "rev": "6b048d1ad84220d47f870635e84df63590f5efa3",
+        "rev": "9ad99f2c3fb290ceab85c98b4761622cd9e2d97c",
         "type": "github"
       },
       "original": {