diff --git a/CHANGELOG.md b/CHANGELOG.md
index 121a566e2d..fc214dfac4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,43 @@
 
 ## [Unreleased](https://github.com/CosmWasm/wasmd/tree/HEAD)
 
-[Full Changelog](https://github.com/CosmWasm/wasmd/compare/v0.30.0...HEAD)
+[Full Changelog](https://github.com/CosmWasm/wasmd/compare/v0.31.0...HEAD)
+
+## [v0.31.0](https://github.com/CosmWasm/wasmd/tree/v0.31.0) (2023-03-13)
+
+[Full Changelog](https://github.com/CosmWasm/wasmd/compare/v0.30.0...v0.31.0)
+
+- Upgrade wasmvm to v1.2.1 [\#1245](https://github.com/CosmWasm/wasmd/pull/1245), see [wasmvm v1.2.1](https://github.com/CosmWasm/wasmvm/releases/tag/v1.2.1)
+- Fix checksum check for zipped gov store proposals [\#1232](https://github.com/CosmWasm/wasmd/issues/1232)
+- Return IBC packet sequence number in the handler plugin [\#1154](https://github.com/CosmWasm/wasmd/issues/1154)
+- Add Windows client-side support [\#1169](https://github.com/CosmWasm/wasmd/issues/1169)
+- Upgrade Cosmos-SDK to [v0.45.14](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.14)
+- Add missing events for admin-related methods [\#1173](https://github.com/CosmWasm/wasmd/issues/1173)
+- Disallow storing new codes with ACCESS\_TYPE\_ONLY\_ADDRESS [\#1144](https://github.com/CosmWasm/wasmd/issues/1144)
+- Support builds without CGO  [\#1129](https://github.com/CosmWasm/wasmd/issues/1129)
+- Wasmd does not sort coins when converting from CosmWasm Coins to SDK
+  Coins [\#1118](https://github.com/CosmWasm/wasmd/issues/1118)
+- Add InstantiateContract2Proposal [\#1062](https://github.com/CosmWasm/wasmd/issues/1062)
+- CLI: Allow using key name for --admin [\#1039](https://github.com/CosmWasm/wasmd/issues/1039)
+- More gov proposal simulations [\#1107](https://github.com/CosmWasm/wasmd/pull/1107)
+- Remove genesis messages [\#987](https://github.com/CosmWasm/wasmd/issues/987)
+- Update instantiate config command [\#843](https://github.com/CosmWasm/wasmd/issues/843)
+- Upgrade IBC-go to [v4.3.0](https://github.com/cosmos/ibc-go/releases/tag/v4.3.0) [\#1180](https://github.com/CosmWasm/wasmd/pull/1180)
+- Upgrade ICA to [v0.2.6](https://github.com/cosmos/interchain-accounts-demo/releases/tag/v0.2.6) [\#1192](https://github.com/CosmWasm/wasmd/pull/1192)
+
+### Notable changes:
+- Genesis messages were deprecated before and are removed with this release
+- New `cosmwasm_1_2` [capability](https://github.com/CosmWasm/cosmwasm/blob/main/docs/CAPABILITIES-BUILT-IN.md) to
+  enable new features:
+  - Support for `gov.MsgVoteWeighted`, `wasm.Instantiate2` messages
+  - code info query for contracts
+- See "State Machine Breaking" changes in [IBC-go](https://github.com/cosmos/ibc-go/releases/tag/v4.3.0)
+- See notes about the "store fix" in [Cosmos-sdk](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.12)
+- Wasmd can now be used as a library without CGO
+- Wasmd client can now be used on Windows
+
+### Migration notes:
+- This release does not include any state migrations but breaking changes that require a coordinated chain upgrade
 
 ## [v0.30.0](https://github.com/CosmWasm/wasmd/tree/v0.30.0) (2022-12-02)
 
diff --git a/README.md b/README.md
index e85a21f328..ccc8182483 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,7 @@ The protobuf files for this project are published automatically to the [buf repo
 
 | wasmd version | buf tag                                                                                                                                     |
 |---------------|---------------------------------------------------------------------------------------------------------------------------------------------|
+| 0.31.x        | [e0e5a6fa433449e695af692478c86fb5](https://buf.build/cosmwasm/wasmd/tree/e0e5a6fa433449e695af692478c86fb5:cosmwasm/wasm/v1) | 
 | 0.30.x        | [6508ee062011440c907de6f5c40398ea](https://buf.build/cosmwasm/wasmd/tree/6508ee062011440c907de6f5c40398ea:cosmwasm/wasm/v1) | 
 | 0.29.x        | [51931206dbe09529c1819a8a2863d291035a2549](https://buf.build/cosmwasm/wasmd/tree/51931206dbe09529c1819a8a2863d291035a2549:cosmwasm/wasm/v1) |