diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0435bb2a6..c4ac1f4c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Added a data migration to set `accountType` to `NULL` in the account database table
+
 ### Fixed
 
 - Improved the handling of derived currencies (`GBp`, `ILA`, `ZAc`)
diff --git a/prisma/migrations/20231105135400_set_value_of_account_type_to_null_in_account/migration.sql b/prisma/migrations/20231105135400_set_value_of_account_type_to_null_in_account/migration.sql
new file mode 100644
index 000000000..d22789bc7
--- /dev/null
+++ b/prisma/migrations/20231105135400_set_value_of_account_type_to_null_in_account/migration.sql
@@ -0,0 +1,2 @@
+-- AlterTable
+UPDATE "Account" SET "accountType" = NULL;