diff --git a/.changelog/v21.0.1/bug-fixes/3418-bump-cosmossdk-math.md b/.changelog/v21.0.1/bug-fixes/3418-bump-cosmossdk-math.md
new file mode 100644
index 0000000000..77d28aea7a
--- /dev/null
+++ b/.changelog/v21.0.1/bug-fixes/3418-bump-cosmossdk-math.md
@@ -0,0 +1,5 @@
+- Bump [cosmossdk.io/math](https://github.com/cosmos/cosmos-sdk/tree/main/math) to
+  [v1.4.0](https://github.com/cosmos/cosmos-sdk/tree/math/v1.4.0) in order to 
+  address the the [ASA-2024-010](https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-7225-m954-23v7) 
+  security advisory. 
+  ([\#3418](https://github.com/cosmos/gaia/pull/3418))
\ No newline at end of file
diff --git a/.changelog/v21.0.1/dependencies/3418-bump-cosmossdk-math.md b/.changelog/v21.0.1/dependencies/3418-bump-cosmossdk-math.md
new file mode 100644
index 0000000000..88d24d5d9b
--- /dev/null
+++ b/.changelog/v21.0.1/dependencies/3418-bump-cosmossdk-math.md
@@ -0,0 +1,3 @@
+- Bump [cosmossdk.io/math](https://github.com/cosmos/cosmos-sdk/tree/main/math) to
+  [v1.4.0](https://github.com/cosmos/cosmos-sdk/tree/math/v1.4.0)
+  ([\#3418](https://github.com/cosmos/gaia/pull/3418))
\ No newline at end of file
diff --git a/.changelog/v21.0.1/summary.md b/.changelog/v21.0.1/summary.md
new file mode 100644
index 0000000000..c520bb8325
--- /dev/null
+++ b/.changelog/v21.0.1/summary.md
@@ -0,0 +1,2 @@
+*November 21, 2024*
+
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d624db24d3..d3fe6e4c15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # CHANGELOG
 
+## v21.0.1
+
+*November 21, 2024*
+
+### BUG FIXES
+
+- Bump [cosmossdk.io/math](https://github.com/cosmos/cosmos-sdk/tree/main/math) to
+  [v1.4.0](https://github.com/cosmos/cosmos-sdk/tree/math/v1.4.0) in order to 
+  address the the [ASA-2024-010](https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-7225-m954-23v7) 
+  security advisory. 
+  ([\#3418](https://github.com/cosmos/gaia/pull/3418))
+
+### DEPENDENCIES
+
+- Bump [cosmossdk.io/math](https://github.com/cosmos/cosmos-sdk/tree/main/math) to
+  [v1.4.0](https://github.com/cosmos/cosmos-sdk/tree/math/v1.4.0)
+  ([\#3418](https://github.com/cosmos/gaia/pull/3418))
+
 ## v21.0.0
 
 *October 14, 2024*