diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c5d37543..c1a784a79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ IMPROVEMENTS:
 
  * auth/approle: Allow array input for policies in addition to comma-delimited
    strings [GH-3163]
+ * auth/aws: Allow using root credentials for IAM authentication [GH-3181]
  * plugins: Send logs through Vault's logger rather than stdout [GH-3142]
  * secret/pki: Add `pki/root` delete operation [GH-3165]
  * secret/pki: Don't overwrite an existing root cert/key when calling generate