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diff --git a/.changelog/v12.0.0/summary.md b/.changelog/v12.0.0/summary.md
new file mode 100644
index 00000000000..957dea6d0d8
--- /dev/null
+++ b/.changelog/v12.0.0/summary.md
@@ -0,0 +1 @@
+*August 18, 2023*
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 932c1c2c79e..8ff42a837a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,48 @@
 # CHANGELOG
 
+## v12.0.0
+
+*August 18, 2023*
+
+### API BREAKING
+
+- Add Liquid Staking Module (LSM) and initialize the LSM params: 
+  ValidatorBondFactor, ValidatorLiquidStakingCap, GlobalLiquidStakingCap
+  ([\#2643](https://github.com/cosmos/gaia/pull/2643))
+
+### BUG FIXES
+
+- Bump [PFM](https://github.com/cosmos/ibc-apps/tree/main/middleware) 
+  to [v4.1.0](https://github.com/cosmos/ibc-apps/releases/tag/middleware%2Fpacket-forward-middleware%2Fv4.1.0)
+  ([\#2677](https://github.com/cosmos/gaia/pull/2677))
+
+### DEPENDENCIES
+
+- Bump [interchain-security](https://github.com/cosmos/interchain-security) to
+  [v2.0.0-lsm](https://github.com/cosmos/interchain-security/releases/tag/v2.0.0-lsm)
+  ([\#2643](https://github.com/cosmos/gaia/pull/2643))
+- Bump [cosmos-sdk](https://github.com/cosmos/cosmos-sdk) to
+  [v0.45.16-ics-lsm](https://github.com/cosmos/cosmos-sdk/tree/v0.45.16-ics-lsm)
+  ([\#2643](https://github.com/cosmos/gaia/pull/2643))
+- Bump [PFM](https://github.com/cosmos/ibc-apps/tree/main/middleware) 
+  to [v4.1.0](https://github.com/cosmos/ibc-apps/releases/tag/middleware%2Fpacket-forward-middleware%2Fv4.1.0)
+  ([\#2677](https://github.com/cosmos/gaia/pull/2677))
+
+### FEATURES
+
+- Add Liquid Staking Module (LSM) and initialize the LSM params: 
+  ValidatorBondFactor, ValidatorLiquidStakingCap, GlobalLiquidStakingCap
+  ([\#2643](https://github.com/cosmos/gaia/pull/2643))
+
+### STATE BREAKING
+
+- Add Liquid Staking Module (LSM) and initialize the LSM params: 
+  ValidatorBondFactor, ValidatorLiquidStakingCap, GlobalLiquidStakingCap
+  ([\#2643](https://github.com/cosmos/gaia/pull/2643))
+- Bump [PFM](https://github.com/cosmos/ibc-apps/tree/main/middleware) 
+  to [v4.1.0](https://github.com/cosmos/ibc-apps/releases/tag/middleware%2Fpacket-forward-middleware%2Fv4.1.0)
+  ([\#2677](https://github.com/cosmos/gaia/pull/2677))
+
 ## v11.0.0
 
 *July 18, 2023*