diff --git a/.changelog/unreleased/bug-fixes/3346-fix-broken-invariants-submission.md b/.changelog/v21.0.0/bug-fixes/3346-fix-broken-invariants-submission.md
similarity index 100%
rename from .changelog/unreleased/bug-fixes/3346-fix-broken-invariants-submission.md
rename to .changelog/v21.0.0/bug-fixes/3346-fix-broken-invariants-submission.md
diff --git a/.changelog/unreleased/bug-fixes/3349-multiple-temp-dirs.md b/.changelog/v21.0.0/bug-fixes/3349-multiple-temp-dirs.md
similarity index 100%
rename from .changelog/unreleased/bug-fixes/3349-multiple-temp-dirs.md
rename to .changelog/v21.0.0/bug-fixes/3349-multiple-temp-dirs.md
diff --git a/.changelog/unreleased/bug-fixes/3387-add-gov-v5-params.md b/.changelog/v21.0.0/bug-fixes/3387-add-gov-v5-params.md
similarity index 100%
rename from .changelog/unreleased/bug-fixes/3387-add-gov-v5-params.md
rename to .changelog/v21.0.0/bug-fixes/3387-add-gov-v5-params.md
diff --git a/.changelog/unreleased/dependencies/3366-bump-wasmvm-version.md b/.changelog/v21.0.0/dependencies/3366-bump-wasmvm-version.md
similarity index 100%
rename from .changelog/unreleased/dependencies/3366-bump-wasmvm-version.md
rename to .changelog/v21.0.0/dependencies/3366-bump-wasmvm-version.md
diff --git a/.changelog/unreleased/dependencies/3395-bump-ics.md b/.changelog/v21.0.0/dependencies/3395-bump-ics.md
similarity index 100%
rename from .changelog/unreleased/dependencies/3395-bump-ics.md
rename to .changelog/v21.0.0/dependencies/3395-bump-ics.md
diff --git a/.changelog/v21.0.0/state-breaking/3361-distribute-unaccounted-denoms.md b/.changelog/v21.0.0/state-breaking/3361-distribute-unaccounted-denoms.md
new file mode 100644
index 00000000000..bb41343583c
--- /dev/null
+++ b/.changelog/v21.0.0/state-breaking/3361-distribute-unaccounted-denoms.md
@@ -0,0 +1,3 @@
+- Distribute all the unaccounted known denoms from  the
+ consumer rewards pool.
+([\#3361](https://github.com/cosmos/gaia/pull/3361))
diff --git a/.changelog/unreleased/state-breaking/3395-bump-ics.md b/.changelog/v21.0.0/state-breaking/3395-bump-ics.md
similarity index 100%
rename from .changelog/unreleased/state-breaking/3395-bump-ics.md
rename to .changelog/v21.0.0/state-breaking/3395-bump-ics.md
diff --git a/.changelog/v21.0.0/summary.md b/.changelog/v21.0.0/summary.md
new file mode 100644
index 00000000000..9dc9ba2c66c
--- /dev/null
+++ b/.changelog/v21.0.0/summary.md
@@ -0,0 +1 @@
+*October 14, 2024*
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bae73bc43a1..d624db24d33 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,35 @@
 # CHANGELOG
 
+## v21.0.0
+
+*October 14, 2024*
+
+### BUG FIXES
+
+- Fix submission of broken invariants
+  ([\#3346](https://github.com/cosmos/gaia/pull/3346))
+- Fix creation of multiple temp directories
+  ([\#3349](https://github.com/cosmos/gaia/pull/3349))
+- Initialize uninitialized governance params
+  ([\#3387](https://github.com/cosmos/gaia/pull/3387))
+
+### DEPENDENCIES
+
+- Update wasmvm to v2.1.3 - security patch
+  ([\#3366](https://github.com/cosmos/gaia/pull/3366))
+- Bump [ICS](https://github.com/cosmos/interchain-security) to
+  [v6.3.0](https://github.com/cosmos/interchain-security/releases/tag/v6.3.0).
+  ([\#3395](https://github.com/cosmos/gaia/pull/3395))
+
+### STATE BREAKING
+
+- Distribute all the unaccounted known denoms from  the
+ consumer rewards pool.
+([\#3361](https://github.com/cosmos/gaia/pull/3361))
+- Bump [ICS](https://github.com/cosmos/interchain-security) to
+  [v6.3.0](https://github.com/cosmos/interchain-security/releases/tag/v6.3.0).
+  ([\#3395](https://github.com/cosmos/gaia/pull/3395))
+
 ## v20.0.0
 
 *September 13, 2024*