diff --git a/changelog.md b/changelog.md
index abae9a0e15..b527cfcaea 100644
--- a/changelog.md
+++ b/changelog.md
@@ -31,6 +31,7 @@
 - [#4008](https://github.com/ignite/cli/pull/4008) Rename `pkg/yaml` to `pkg/xyaml`
 - [#4075](https://github.com/ignite/cli/pull/4075) Use `gopkg.in/yaml.v3` instead `gopkg.in/yaml.v2`
 - [#4118](https://github.com/ignite/cli/pull/4118) Version scaffolded protos as `v1` to follow SDK structure.
+- [#4149](https://github.com/ignite/cli/pull/4149) Bump cometbft to `v0.38.7`
 
 ### Fixes
 
diff --git a/go.mod b/go.mod
index 0ab08334c9..f61028efdc 100644
--- a/go.mod
+++ b/go.mod
@@ -29,7 +29,7 @@ require (
 	github.com/charmbracelet/glow v1.4.1
 	github.com/charmbracelet/lipgloss v0.6.0
 	github.com/cockroachdb/errors v1.11.1
-	github.com/cometbft/cometbft v0.38.6
+	github.com/cometbft/cometbft v0.38.7
 	github.com/cosmos/cosmos-sdk v0.50.6
 	github.com/cosmos/go-bip39 v1.0.0
 	github.com/cosmos/gogoproto v1.4.12
@@ -72,7 +72,6 @@ require (
 	github.com/tbruyelle/mdgofmt v0.1.3
 	github.com/vektra/mockery/v2 v2.40.1
 	go.etcd.io/bbolt v1.3.9
-	golang.org/x/exp v0.0.0-20240404231335-c0f41cb1a7a0
 	golang.org/x/mod v0.17.0
 	golang.org/x/sync v0.7.0
 	golang.org/x/term v0.19.0
@@ -465,6 +464,7 @@ require (
 	go.uber.org/zap v1.27.0 // indirect
 	golang.org/x/arch v0.6.0 // indirect
 	golang.org/x/crypto v0.22.0 // indirect
+	golang.org/x/exp v0.0.0-20240404231335-c0f41cb1a7a0 // indirect
 	golang.org/x/exp/typeparams v0.0.0-20240314144324-c7f7c6466f7f // indirect
 	golang.org/x/net v0.24.0 // indirect
 	golang.org/x/sys v0.19.0 // indirect
diff --git a/go.sum b/go.sum
index f164160295..4d045e1c08 100644
--- a/go.sum
+++ b/go.sum
@@ -306,8 +306,8 @@ github.com/cockroachdb/redact v1.1.5/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 v0.38.6 h1:QSgpCzrGWJ2KUq1qpw+FCfASRpE27T6LQbfEHscdyOk=
-github.com/cometbft/cometbft v0.38.6/go.mod h1:8rSPxzUJYquCN8uuBgbUHOMg2KAwvr7CyUw+6ukO4nw=
+github.com/cometbft/cometbft v0.38.7 h1:ULhIOJ9+LgSy6nLekhq9ae3juX3NnQUMMPyVdhZV6Hk=
+github.com/cometbft/cometbft v0.38.7/go.mod h1:HIyf811dFMI73IE0F7RrnY/Fr+d1+HuJAgtkEpQjCMY=
 github.com/cometbft/cometbft-db v0.9.1 h1:MIhVX5ja5bXNHF8EYrThkG9F7r9kSfv8BX4LWaxWJ4M=
 github.com/cometbft/cometbft-db v0.9.1/go.mod h1:iliyWaoV0mRwBJoizElCwwRA9Tf7jZJOURcRZF9m60U=
 github.com/containerd/console v1.0.1/go.mod h1:XUsP6YE/mKtz6bxc+I8UiKKTP04qjQL4qcS3XoQ5xkw=
diff --git a/ignite/templates/app/files/go.mod.plush b/ignite/templates/app/files/go.mod.plush
index 260e98c8aa..775f49318d 100644
--- a/ignite/templates/app/files/go.mod.plush
+++ b/ignite/templates/app/files/go.mod.plush
@@ -28,7 +28,7 @@ require (
 	github.com/cosmos/interchain-security/v5 v5.0.0
 	<% } %>
 	github.com/bufbuild/buf v1.30.1
-	github.com/cometbft/cometbft v0.38.6
+	github.com/cometbft/cometbft v0.38.7
 	github.com/cosmos/cosmos-db v1.0.2
 	github.com/cosmos/cosmos-proto v1.0.0-beta.5
 	github.com/cosmos/cosmos-sdk v0.50.6
@@ -38,7 +38,7 @@ require (
 	github.com/golang/protobuf v1.5.4
 	github.com/gorilla/mux v1.8.1
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.18.2