diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45a7d9b724..416f2a4327 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## UNRELEASED
+
+### Bug Fixes
+
+- [#814](https://github.com/crypto-org-chain/cronos/pull/814) Fix prometheus metrics.
+
+### Improvements
+
+- [#813](https://github.com/crypto-org-chain/cronos/pull/813) Tune up rocksdb options.
+
 *Jan 04, 2023*
 
 ## v1.0.2
diff --git a/go.mod b/go.mod
index 18b748f50d..8a692765da 100644
--- a/go.mod
+++ b/go.mod
@@ -193,7 +193,7 @@ replace (
 	github.com/confio/ics23/go => github.com/confio/ics23/go v0.9.0
 	github.com/cosmos/cosmos-sdk => github.com/cosmos/cosmos-sdk v0.46.7
 	github.com/ethereum/go-ethereum => github.com/crypto-org-chain/go-ethereum v1.10.19-deepcopy-jumptable
-	github.com/evmos/ethermint => github.com/yihuang/ethermint v0.6.1-0.20230118154933-386780367ed1
+	github.com/evmos/ethermint => github.com/crypto-org-chain/ethermint v0.20.2-cronos
 
 	// Fix upstream GHSA-h395-qcrw-5vmq vulnerability.
 	// TODO Remove it: https://github.com/cosmos/cosmos-sdk/issues/10409
diff --git a/go.sum b/go.sum
index d7f31d1a80..9fc43e2759 100644
--- a/go.sum
+++ b/go.sum
@@ -769,6 +769,8 @@ github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7Do
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cristalhq/acmd v0.8.1/go.mod h1:LG5oa43pE/BbxtfMoImHCQN++0Su7dzipdgBjMCBVDQ=
+github.com/crypto-org-chain/ethermint v0.20.2-cronos h1:RbcGmx4CaeRipd/A09OFgHr8wE6iisl353ZdW1oWkdQ=
+github.com/crypto-org-chain/ethermint v0.20.2-cronos/go.mod h1:slhuvGjkZaRJCapuHaKVIraxRgI7C70yEznP2YokfkA=
 github.com/crypto-org-chain/go-ethereum v1.10.19-deepcopy-jumptable h1:VQLW0R8t9DcC/HvQZO1i0mIWjJfAezhI8lLUCholP0M=
 github.com/crypto-org-chain/go-ethereum v1.10.19-deepcopy-jumptable/go.mod h1:IJBNMtzKcNHPtllYihy6BL2IgK1u+32JriaTbdt4v+w=
 github.com/crypto-org-chain/gravity-bridge/module/v2 v2.0.1-0.20220815102151-48275db7e1ee h1:qzkim8QAf6AdRKlAPgLU5nI7S9JoefLDI76PmJeOTgk=
@@ -2366,8 +2368,6 @@ github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:
 github.com/yagipy/maintidx v1.0.0/go.mod h1:0qNf/I/CCZXSMhsRsrEPDZ+DkekpKLXAJfsTACwgXLk=
 github.com/ybbus/jsonrpc v2.1.2+incompatible/go.mod h1:XJrh1eMSzdIYFbM08flv0wp5G35eRniyeGut1z+LSiE=
 github.com/yeya24/promlinter v0.2.0/go.mod h1:u54lkmBOZrpEbQQ6gox2zWKKLKu2SGe+2KOiextY+IA=
-github.com/yihuang/ethermint v0.6.1-0.20230118154933-386780367ed1 h1:q8HLYW+EnrXHBnxFAgVFg2nNFzix9qYP4XY2IRvGdwQ=
-github.com/yihuang/ethermint v0.6.1-0.20230118154933-386780367ed1/go.mod h1:slhuvGjkZaRJCapuHaKVIraxRgI7C70yEznP2YokfkA=
 github.com/yihuang/grocksdb v1.7.11-0.20230112025116-f41883a71db3 h1:tLZ8PYj0WknvIkjIBrNn2CkN0MtnVHWkH6b0LE8eYPA=
 github.com/yihuang/grocksdb v1.7.11-0.20230112025116-f41883a71db3/go.mod h1:0hTf+iA+GOr0jDX4CgIYyJZxqOH9XlBh6KVj8+zmF34=
 github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FBNExI05xg=
diff --git a/gomod2nix.toml b/gomod2nix.toml
index f252710cd3..aec50ea7f6 100644
--- a/gomod2nix.toml
+++ b/gomod2nix.toml
@@ -160,8 +160,8 @@ schema = 3
     hash = "sha256-QKuYnEXXrnHPPHk/Xc9ocez2Jheo/0IOOa1IQaMH61c="
     replaced = "github.com/crypto-org-chain/go-ethereum"
   [mod."github.com/evmos/ethermint"]
-    version = "v0.6.1-0.20230118154933-386780367ed1"
-    hash = "sha256-eizwzT6b3P8dKbJ3E8L+s7gmUJAA2QtUqTGbXyfsb84="
+    version = "v0.20.2-cronos"
+    hash = "sha256-GUXw/MVVngPQhHYx7fHSW9y+u+uV8IpJMYDX7fak09s="
     replaced = "github.com/yihuang/ethermint"
   [mod."github.com/felixge/httpsnoop"]
     version = "v1.0.2"