diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2f0d178d..5f519abc6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,7 @@
 - [#1061](https://github.com/crypto-org-chain/chain-main/pull/1061) Integrate sdk 0.50.
 - [#1068](https://github.com/crypto-org-chain/chain-main/pull/1068) Upgrade ibc-go to `v8.3.2` and remove icaauth module.
 - [#1084](https://github.com/crypto-org-chain/chain-main/pull/1084) Add MsgModuleQuerySafe in allowed messages for ica host param.
-- [#1085](https://github.com/crypto-org-chain/chain-main/pull/1085) Upgrade ibc-go to `v8.5.1`.
+- [#1085](https://github.com/crypto-org-chain/chain-main/pull/1085) Upgrade ibc-go to `v8.4.0`.
 
 *Dec 6, 2023*
 
diff --git a/go.mod b/go.mod
index 3287c3439..ea770824d 100644
--- a/go.mod
+++ b/go.mod
@@ -22,8 +22,8 @@ require (
 	github.com/cosmos/cosmos-db v1.0.3-0.20240408151834-e75f6e4b28d8
 	github.com/cosmos/cosmos-sdk v0.50.9
 	github.com/cosmos/gogoproto v1.7.0
-	github.com/cosmos/ibc-go/modules/capability v1.0.1
-	github.com/cosmos/ibc-go/v8 v8.5.1
+	github.com/cosmos/ibc-go/modules/capability v1.0.0
+	github.com/cosmos/ibc-go/v8 v8.4.0
 	github.com/cosmos/rosetta v0.50.3-1
 	github.com/crypto-org-chain/cronos/store v0.0.5-0.20240716081818-7f581a697f6d
 	github.com/crypto-org-chain/cronos/versiondb v0.0.0-20240716081818-7f581a697f6d
diff --git a/go.sum b/go.sum
index da509785b..fdd62255e 100644
--- a/go.sum
+++ b/go.sum
@@ -429,10 +429,10 @@ github.com/cosmos/gogoproto v1.7.0 h1:79USr0oyXAbxg3rspGh/m4SWNyoz/GLaAh0QlCe2fr
 github.com/cosmos/gogoproto v1.7.0/go.mod h1:yWChEv5IUEYURQasfyBW5ffkMHR/90hiHgbNgrtp4j0=
 github.com/cosmos/iavl v1.1.2 h1:zL9FK7C4L/P4IF1Dm5fIwz0WXCnn7Bp1M2FxH0ayM7Y=
 github.com/cosmos/iavl v1.1.2/go.mod h1:jLeUvm6bGT1YutCaL2fIar/8vGUE8cPZvh/gXEWDaDM=
-github.com/cosmos/ibc-go/modules/capability v1.0.1 h1:ibwhrpJ3SftEEZRxCRkH0fQZ9svjthrX2+oXdZvzgGI=
-github.com/cosmos/ibc-go/modules/capability v1.0.1/go.mod h1:rquyOV262nGJplkumH+/LeYs04P3eV8oB7ZM4Ygqk4E=
-github.com/cosmos/ibc-go/v8 v8.5.1 h1:3JleEMKBjRKa3FeTKt4fjg22za/qygLBo7mDkoYTNBs=
-github.com/cosmos/ibc-go/v8 v8.5.1/go.mod h1:P5hkAvq0Qbg0h18uLxDVA9q1kOJ0l36htMsskiNwXbo=
+github.com/cosmos/ibc-go/modules/capability v1.0.0 h1:r/l++byFtn7jHYa09zlAdSeevo8ci1mVZNO9+V0xsLE=
+github.com/cosmos/ibc-go/modules/capability v1.0.0/go.mod h1:D81ZxzjZAe0ZO5ambnvn1qedsFQ8lOwtqicG6liLBco=
+github.com/cosmos/ibc-go/v8 v8.4.0 h1:K2PfX0AZ+1XKZytHGEMuSjQXG/MZshPb83RSTQt2+cE=
+github.com/cosmos/ibc-go/v8 v8.4.0/go.mod h1:zh6x1osR0hNvEcFrC/lhGD08sMfQmr9wHVvZ/mRWMCs=
 github.com/cosmos/ics23/go v0.11.0 h1:jk5skjT0TqX5e5QJbEnwXIS2yI2vnmLOgpQPeM5RtnU=
 github.com/cosmos/ics23/go v0.11.0/go.mod h1:A8OjxPE67hHST4Icw94hOxxFEJMBG031xIGF/JHNIY0=
 github.com/cosmos/keyring v1.2.0 h1:8C1lBP9xhImmIabyXW4c3vFjjLiBdGCmfLUfeZlV1Yo=
diff --git a/gomod2nix.toml b/gomod2nix.toml
index 533b961bd..e21734d84 100644
--- a/gomod2nix.toml
+++ b/gomod2nix.toml
@@ -170,11 +170,11 @@ schema = 3
     version = "v1.1.2"
     hash = "sha256-fhh5fN1BMDxbF4PobERMQdIb9vIrxaSl0tRXas0WKmc="
   [mod."github.com/cosmos/ibc-go/modules/capability"]
-    version = "v1.0.1"
-    hash = "sha256-iRhj2WTr99DgAl80h25pxtkO6iHYjyHflwpxKKG5b6E="
+    version = "v1.0.0"
+    hash = "sha256-xOeHJWUj6fTc2EUGiE4dgfY2WkvrqTg/FWewoUvQcvg="
   [mod."github.com/cosmos/ibc-go/v8"]
-    version = "v8.5.1"
-    hash = "sha256-F4VZbKo1n9fLSxLSR+/ZaisbJ2v+EHjpXVpCovGTiyQ="
+    version = "v8.4.0"
+    hash = "sha256-c4EWR/F23cRc+mwdIZsjrxwyELGf82jKXfdUtxJIjSA="
   [mod."github.com/cosmos/ics23/go"]
     version = "v0.11.0"
     hash = "sha256-mgU/pqp4kASmW/bP0z6PzssfjRp7GU9ioyvNlDdGC+E="