diff --git a/go.mod b/go.mod
index ffdb1405..c9cc9467 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	cosmossdk.io/x/feegrant v0.1.1
 	cosmossdk.io/x/tx v0.14.0
 	cosmossdk.io/x/upgrade v0.2.0
-	github.com/cometbft/cometbft v0.38.17
+	github.com/cometbft/cometbft v0.38.21
 	github.com/cosmos/cosmos-db v1.1.1
 	github.com/cosmos/cosmos-proto v1.0.0-beta.5
 	github.com/cosmos/cosmos-sdk v0.53.4
diff --git a/go.sum b/go.sum
index 76a9e688..fb7c4078 100644
--- a/go.sum
+++ b/go.sum
@@ -802,8 +802,8 @@ github.com/cockroachdb/redact v1.1.6/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZ
 github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 h1:zuQyyAKVxetITBuuhv3BI9cMrmStnpT18zmgmTxunpo=
 github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06/go.mod h1:7nc4anLGjupUW/PeY5qiNYsdNXj7zopG+eqsS7To5IQ=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
-github.com/cometbft/cometbft v0.38.17 h1:FkrQNbAjiFqXydeAO81FUzriL4Bz0abYxN/eOHrQGOk=
-github.com/cometbft/cometbft v0.38.17/go.mod h1:5l0SkgeLRXi6bBfQuevXjKqML1jjfJJlvI1Ulp02/o4=
+github.com/cometbft/cometbft v0.38.21 h1:qcIJSH9LiwU5s6ZgKR5eRbsLNucbubfraDs5bzgjtOI=
+github.com/cometbft/cometbft v0.38.21/go.mod h1:UCu8dlHqvkAsmAFmWDRWNZJPlu6ya2fTWZlDrWsivwo=
 github.com/cometbft/cometbft-db v0.14.1 h1:SxoamPghqICBAIcGpleHbmoPqy+crij/++eZz3DlerQ=
 github.com/cometbft/cometbft-db v0.14.1/go.mod h1:KHP1YghilyGV/xjD5DP3+2hyigWx0WTp9X+0Gnx0RxQ=
 github.com/containerd/continuity v0.3.0 h1:nisirsYROK15TAMVukJOUyGJjz4BNQJBVsNvAXZJ/eg=