diff --git a/changelog.md b/changelog.md
index c2a4d455..344f5c36 100644
--- a/changelog.md
+++ b/changelog.md
@@ -7,6 +7,26 @@ and (starting with v4.0.0) this project adheres to [Semantic Versioning](http://
 
 ## [Unreleased](https://github.com/HumanCellAtlas/metadata-schema/tree/staging)
 
+### [type/protocol/biomaterial_collection/dissociation_protocol.json - v6.3.0] - 2025-01-21
+### Changed
+Changed user_friendly name of reagent field
+
+### [type/protocol/biomaterial_collection/dissociation_protocol.json - v6.4.0] - 2025-01-21
+### Added
+Added optional digestion_time field
+
+### [type/protocol/biomaterial_collection/dissociation_protocol.json - v6.5.0] - 2025-01-21
+### Added
+Added optional digestion_time_unit field
+
+### [type/protocol/biomaterial_collection/dissociation_protocol.json - v6.6.0] - 2025-01-21
+### Added
+Added optional digestion_temperature field
+
+### [type/protocol/biomaterial_collection/dissociation_protocol.json - v6.7.0] - 2025-01-21
+### Added
+Added optional digestion_solution field
+
 ## [Released](https://github.com/HumanCellAtlas/metadata-schema/)
 
 ### [module/project/hca_bionetwork.json - v2.0.0] - 2025-01-20
diff --git a/json_schema/update_log.csv b/json_schema/update_log.csv
index 1e878f6f..3231ff19 100644
--- a/json_schema/update_log.csv
+++ b/json_schema/update_log.csv
@@ -1,6 +1 @@
 Schema,Change type,Change message,Version,Date
-type/protocol/biomaterial_collection/dissociation_protocol,minor,Changed user_friendly name of reagent field,,
-type/protocol/biomaterial_collection/dissociation_protocol,minor,Added optional digestion_time field,,
-type/protocol/biomaterial_collection/dissociation_protocol,minor,Added optional digestion_time_unit field,,
-type/protocol/biomaterial_collection/dissociation_protocol,minor,Added optional digestion_temperature field,,
-type/protocol/biomaterial_collection/dissociation_protocol,minor,Added optional digestion_solution field,,
diff --git a/json_schema/versions.json b/json_schema/versions.json
index cddbef5e..62299a6e 100644
--- a/json_schema/versions.json
+++ b/json_schema/versions.json
@@ -1,5 +1,5 @@
 {
-    "last_update_date": "2025-01-20T10:24:12Z",
+    "last_update_date": "2025-01-21T10:14:27Z",
     "version_numbers": {
         "core": {
             "biomaterial": {
@@ -124,7 +124,7 @@
                     "aggregate_generation_protocol": "2.1.0",
                     "collection_protocol": "9.2.0",
                     "differentiation_protocol": "2.2.0",
-                    "dissociation_protocol": "6.2.0",
+                    "dissociation_protocol": "6.7.0",
                     "enrichment_protocol": "3.1.0",
                     "ipsc_induction_protocol": "3.2.0",
                     "treatment_protocol": "1.0.0"