diff --git a/CHANGELOG.md b/CHANGELOG.md
index 609ee9e3bf..a6959d51b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 * (versiondb) [#1491](https://github.com/crypto-org-chain/cronos/pull/1491) Free slice data in HasAtVersion.
 * [#1489](https://github.com/crypto-org-chain/cronos/pull/1489) Update cometbft to v0.37.7.
 * (versiondb) [#1498](https://github.com/crypto-org-chain/cronos/pull/1498) Reduce scope of copying slice data in iterator.
+* [#1506](https://github.com/crypto-org-chain/cronos/pull/1506) Update cometbft to latest v0.37.x.
 
 *Jun 18, 2024*
 
diff --git a/go.mod b/go.mod
index c993d7b2e5..cde3e2397b 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	filippo.io/age v1.1.1
 	github.com/99designs/keyring v1.2.1
 	github.com/armon/go-metrics v0.4.1
-	github.com/cometbft/cometbft v0.37.7
+	github.com/cometbft/cometbft v0.37.9-0.20240703112902-3f438815c797
 	github.com/cometbft/cometbft-db v0.8.0
 	github.com/cosmos/cosmos-proto v1.0.0-beta.5
 	github.com/cosmos/cosmos-sdk v0.47.8
diff --git a/go.sum b/go.sum
index 85a0579f94..e9f915b06c 100644
--- a/go.sum
+++ b/go.sum
@@ -426,8 +426,8 @@ github.com/cockroachdb/redact v1.1.5/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZ
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/coinbase/rosetta-sdk-go/types v1.0.0 h1:jpVIwLcPoOeCR6o1tU+Xv7r5bMONNbHU7MuEHboiFuA=
 github.com/coinbase/rosetta-sdk-go/types v1.0.0/go.mod h1:eq7W2TMRH22GTW0N0beDnN931DW0/WOI1R2sdHNHG4c=
-github.com/cometbft/cometbft v0.37.7 h1:pwC0PNfGcbKbAKyK/sWm+LwuiYmT00C3bF2nEnnjJ/k=
-github.com/cometbft/cometbft v0.37.7/go.mod h1:gFGCFXNGDci6tMLemANPGTfU+j4+oH63PjeLe0iIjJk=
+github.com/cometbft/cometbft v0.37.9-0.20240703112902-3f438815c797 h1:rwSmSFz3iWiAjWm1qL0quOkt/wdQpyUjmFzs2i7eueY=
+github.com/cometbft/cometbft v0.37.9-0.20240703112902-3f438815c797/go.mod h1:gFGCFXNGDci6tMLemANPGTfU+j4+oH63PjeLe0iIjJk=
 github.com/confio/ics23/go v0.9.0 h1:cWs+wdbS2KRPZezoaaj+qBleXgUk5WOQFMP3CQFGTr4=
 github.com/confio/ics23/go v0.9.0/go.mod h1:4LPZ2NYqnYIVRklaozjNR1FScgDJ2s5Xrp+e/mYVRak=
 github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U=
diff --git a/gomod2nix.toml b/gomod2nix.toml
index f78d88c277..3c6df35444 100644
--- a/gomod2nix.toml
+++ b/gomod2nix.toml
@@ -126,8 +126,8 @@ schema = 3
     version = "v1.0.0"
     hash = "sha256-z/0E0NiEGo7zxM7d94ImgUf8P0/KG6hbP9T4Vuym4p0="
   [mod."github.com/cometbft/cometbft"]
-    version = "v0.37.7"
-    hash = "sha256-OkJ+yDDF7eO5FBadn/9yGpxEqX6V/331/1NzikitOiA="
+    version = "v0.37.9-0.20240703112902-3f438815c797"
+    hash = "sha256-mPS1u9G0IJC8eDrHbXSMyGDIGDLxrbWeslzeagPIrk8="
   [mod."github.com/cometbft/cometbft-db"]
     version = "v0.0.0-20231011055109-57922ac52a63"
     hash = "sha256-iLs/FN1be3AcoyhKj2+b5Msqeat9j2ja4acyOs+w+Uk="