diff --git a/README.md b/README.md
index 2b7adca..717b02a 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <!--- --8<-- [start:header] -->
 # input4MIPs Controlled Vocabularies (CVs)
 
-[![Latest release](https://img.shields.io/badge/Latest%20release-v6.5.20-brightgreen.svg)](https://github.com/PCMDI/input4MIPs_CVs/releases/tag/v6.5.20)
+[![Latest release](https://img.shields.io/badge/Latest%20release-v6.5.21-brightgreen.svg)](https://github.com/PCMDI/input4MIPs_CVs/releases/tag/v6.5.21)
 [![DOI (all versions)](https://zenodo.org/badge/doi/10.5281/zenodo.12629796.svg)](https://zenodo.org/doi/10.5281/zenodo.12629796)
 [![Docs](https://readthedocs.org/projects/input4mips-controlled-vocabularies-cvs/badge/?version=latest)](https://input4mips-controlled-vocabularies-cvs.readthedocs.io)
 
diff --git a/VERSION b/VERSION
index 4f1edd3..d166419 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.5.21a1
+6.5.21
diff --git a/changelog/108.trivial.md b/changelog/108.trivial.md
deleted file mode 100644
index cf53c49..0000000
--- a/changelog/108.trivial.md
+++ /dev/null
@@ -1 +0,0 @@
-Corrected some invalid links in README; Added source_id level view link (#107).
diff --git a/changelog/109.docs.md b/changelog/109.docs.md
deleted file mode 100644
index 8f7a54a..0000000
--- a/changelog/109.docs.md
+++ /dev/null
@@ -1,3 +0,0 @@
-Moved most of the `README`'s content into the docs.
-This helps avoid broken links in future,
-because links don't always play nice with GitHub's homepage rendering.
diff --git a/changelog/111.docs.md b/changelog/111.docs.md
deleted file mode 100644
index fcef639..0000000
--- a/changelog/111.docs.md
+++ /dev/null
@@ -1,2 +0,0 @@
-Added a delivery summary view to our docs.
-This provides information about when different datasets are expected to be delivered.
diff --git a/changelog/113.breaking.md b/changelog/113.breaking.md
deleted file mode 100644
index c586c3f..0000000
--- a/changelog/113.breaking.md
+++ /dev/null
@@ -1 +0,0 @@
-Re-named the ESGF scrape from `Database/input-data/esgf.json` to `Database/input-data/esgf-input4MIPs.json`.
diff --git a/changelog/116.trivial.md b/changelog/116.trivial.md
deleted file mode 100644
index 8a6f394..0000000
--- a/changelog/116.trivial.md
+++ /dev/null
@@ -1 +0,0 @@
-Corrected some logic, required DRS attributes vs "like to have" netcdf global attributes (#37).
diff --git a/changelog/117.feature.md b/changelog/117.feature.md
deleted file mode 100644
index 3f098a2..0000000
--- a/changelog/117.feature.md
+++ /dev/null
@@ -1 +0,0 @@
-Added the UOEXETER-CMIP-1-1-2 source ID.
diff --git a/changelog/119.docs.md b/changelog/119.docs.md
deleted file mode 100644
index ceb2f0b..0000000
--- a/changelog/119.docs.md
+++ /dev/null
@@ -1 +0,0 @@
-Update the delivery status view of the datasets.
diff --git a/changelog/119.feature.md b/changelog/119.feature.md
deleted file mode 100644
index c67d925..0000000
--- a/changelog/119.feature.md
+++ /dev/null
@@ -1 +0,0 @@
-Added source IDs for the anthropogenic emissions data.
diff --git a/changelog/119.trivial.md b/changelog/119.trivial.md
deleted file mode 100644
index 6b8f199..0000000
--- a/changelog/119.trivial.md
+++ /dev/null
@@ -1,2 +0,0 @@
-Updated the code which generates the delivery status view of the datasets to handle CEDS' multiple source IDs.
-Note, this will need further updates once CEDS is published (to handle generation of a URL with multiple source ID fields in the search).
diff --git a/changelog/120.feature.md b/changelog/120.feature.md
deleted file mode 100644
index 9716dbd..0000000
--- a/changelog/120.feature.md
+++ /dev/null
@@ -1 +0,0 @@
-Added the published volcanic University of Exeter (UOEXETER-CMIP-1-1-3) entries
diff --git a/changelog/121.feature.md b/changelog/121.feature.md
deleted file mode 100644
index 1315170..0000000
--- a/changelog/121.feature.md
+++ /dev/null
@@ -1 +0,0 @@
-Registered the "UofMD-landState-3-0" source ID. University of Maryland is providing land-use change relevant variables.
diff --git a/changelog/122.trivial.md b/changelog/122.trivial.md
deleted file mode 100644
index c56c05a..0000000
--- a/changelog/122.trivial.md
+++ /dev/null
@@ -1 +0,0 @@
-Move misplaced CHANGELOG entry.
diff --git a/changelog/126.docs.md b/changelog/126.docs.md
deleted file mode 100644
index 061757a..0000000
--- a/changelog/126.docs.md
+++ /dev/null
@@ -1 +0,0 @@
-Updated the status of dataset publication.
diff --git a/changelog/127.docs.md b/changelog/127.docs.md
deleted file mode 100644
index 28a673a..0000000
--- a/changelog/127.docs.md
+++ /dev/null
@@ -1,2 +0,0 @@
-- Added land-use change information now that it's published on ESGF.
-- Clarified the ESGF publication status in the delivery summary view.
diff --git a/changelog/127.trivial.md b/changelog/127.trivial.md
deleted file mode 100644
index 56555a2..0000000
--- a/changelog/127.trivial.md
+++ /dev/null
@@ -1,3 +0,0 @@
-- Added a `Makefile` target for updating the database entries based on raw netCDF files.
-- Made the database entry handling scripts work on nimbus.
-- Fixed typos in docs and scripts.
diff --git a/docs/changelog.md b/docs/changelog.md
index ca34be9..9c91c11 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -22,6 +22,39 @@ of rst and use slightly different categories.
 
 <!-- towncrier release notes start -->
 
+## input4MIPs CVs v6.5.21 (2024-10-04)
+
+
+### ⚠️ Breaking Changes
+
+- Re-named the ESGF scrape from `Database/input-data/esgf.json` to `Database/input-data/esgf-input4MIPs.json`. ([#113](https://github.com/PCMDI/input4MIPs_CVs/pull/113))
+
+### 🆕 Features
+
+- Added the UOEXETER-CMIP-1-1-2 source ID. ([#117](https://github.com/PCMDI/input4MIPs_CVs/pull/117))
+- Added source IDs for the anthropogenic emissions data. ([#119](https://github.com/PCMDI/input4MIPs_CVs/pull/119))
+- Added the published volcanic University of Exeter (UOEXETER-CMIP-1-1-3) entries ([#120](https://github.com/PCMDI/input4MIPs_CVs/pull/120))
+- Registered the "UofMD-landState-3-0" source ID. University of Maryland is providing land-use change relevant variables. ([#121](https://github.com/PCMDI/input4MIPs_CVs/pull/121))
+
+### 📚 Improved Documentation
+
+- Moved most of the `README`'s content into the docs.
+  This helps avoid broken links in future,
+  because links don't always play nice with GitHub's homepage rendering. ([#109](https://github.com/PCMDI/input4MIPs_CVs/pull/109))
+- Added a delivery summary view to our docs.
+  This provides information about when different datasets are expected to be delivered. ([#111](https://github.com/PCMDI/input4MIPs_CVs/pull/111))
+- Update the delivery status view of the datasets. ([#119](https://github.com/PCMDI/input4MIPs_CVs/pull/119))
+- Updated the status of dataset publication. ([#126](https://github.com/PCMDI/input4MIPs_CVs/pull/126))
+- - Added land-use change information now that it's published on ESGF.
+  - Clarified the ESGF publication status in the delivery summary view.
+
+  ([#127](https://github.com/PCMDI/input4MIPs_CVs/pull/127))
+
+### 🔧 Trivial/Internal Changes
+
+- [#108](https://github.com/PCMDI/input4MIPs_CVs/pull/108), [#116](https://github.com/PCMDI/input4MIPs_CVs/pull/116), [#119](https://github.com/PCMDI/input4MIPs_CVs/pull/119), [#122](https://github.com/PCMDI/input4MIPs_CVs/pull/122), [#127](https://github.com/PCMDI/input4MIPs_CVs/pull/127)
+
+
 ## input4MIPs CVs v6.5.20 (2024-08-19)
 
 
diff --git a/docs/database-views/input4MIPs_datasets_CMIP6Plus.html b/docs/database-views/input4MIPs_datasets_CMIP6Plus.html
index 4f616fb..3fffc58 100644
--- a/docs/database-views/input4MIPs_datasets_CMIP6Plus.html
+++ b/docs/database-views/input4MIPs_datasets_CMIP6Plus.html
@@ -21,7 +21,7 @@
 <title>input4MIPs CMIP6Plus datasets</title>
 </head>
 <body>
-<p><h1>input4MIPs CMIP6Plus datasets: v6.5.21a1</h1><p>
+<p><h1>input4MIPs CMIP6Plus datasets: v6.5.21</h1><p>
 <h4>
 <a href='/database-views/#database-views'>Database views homepage</a>
 | <a href='input4MIPs_delivery-summary_CMIP6Plus.html'>Delivery summary view</a>
diff --git a/docs/database-views/input4MIPs_delivery-summary_CMIP6Plus.html b/docs/database-views/input4MIPs_delivery-summary_CMIP6Plus.html
index 2fd64bc..01d29cd 100644
--- a/docs/database-views/input4MIPs_delivery-summary_CMIP6Plus.html
+++ b/docs/database-views/input4MIPs_delivery-summary_CMIP6Plus.html
@@ -21,7 +21,7 @@
 <title>input4MIPs CMIP6Plus delivery summary</title>
 </head>
 <body>
-<p><h1>input4MIPs CMIP6Plus delivery summary: v6.5.21a1</h1><p>
+<p><h1>input4MIPs CMIP6Plus delivery summary: v6.5.21</h1><p>
 <h4>
 <a href='/database-views/#database-views'>Database views homepage</a>
 | <a href='input4MIPs_delivery-summary_CMIP6Plus.html'>Delivery summary view</a>
diff --git a/docs/database-views/input4MIPs_files_CMIP6Plus.html b/docs/database-views/input4MIPs_files_CMIP6Plus.html
index b0a2e5e..6c6d585 100644
--- a/docs/database-views/input4MIPs_files_CMIP6Plus.html
+++ b/docs/database-views/input4MIPs_files_CMIP6Plus.html
@@ -21,7 +21,7 @@
 <title>input4MIPs CMIP6Plus files</title>
 </head>
 <body>
-<p><h1>input4MIPs CMIP6Plus files: v6.5.21a1</h1><p>
+<p><h1>input4MIPs CMIP6Plus files: v6.5.21</h1><p>
 <h4>
 <a href='/database-views/#database-views'>Database views homepage</a>
 | <a href='input4MIPs_delivery-summary_CMIP6Plus.html'>Delivery summary view</a>
diff --git a/docs/database-views/input4MIPs_source-id_CMIP6Plus.html b/docs/database-views/input4MIPs_source-id_CMIP6Plus.html
index f81c035..34a01c6 100644
--- a/docs/database-views/input4MIPs_source-id_CMIP6Plus.html
+++ b/docs/database-views/input4MIPs_source-id_CMIP6Plus.html
@@ -21,7 +21,7 @@
 <title>input4MIPs CMIP6Plus source IDs</title>
 </head>
 <body>
-<p><h1>input4MIPs CMIP6Plus source IDs: v6.5.21a1</h1><p>
+<p><h1>input4MIPs CMIP6Plus source IDs: v6.5.21</h1><p>
 <h4>
 <a href='/database-views/#database-views'>Database views homepage</a>
 | <a href='input4MIPs_delivery-summary_CMIP6Plus.html'>Delivery summary view</a>
diff --git a/python-packages/input4MIPs-CVs/pyproject.toml b/python-packages/input4MIPs-CVs/pyproject.toml
index fa6c71a..34e6597 100644
--- a/python-packages/input4MIPs-CVs/pyproject.toml
+++ b/python-packages/input4MIPs-CVs/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "typer==0.12.3",
 ]
 name = "input4MIPs-CVs"
-version = "6.5.21a1"
+version = "6.5.21"
 description = """Python tooling to help with the input4MIPs-CVs repository
 
 At the moment, intended for internal use only."""