diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad67a2f97c..51978fd6f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -60,6 +60,8 @@
 
 ### Fixed
 
+ - Patched a validation check to enable updates for all existing DMP Assistant Orgs [#587](https://github.com/portagenetwork/roadmap/issues/587)
+
  - Fix duplicate guidance choices [#560](https://github.com/portagenetwork/roadmap/issues/560)
 
  - Fix 500 error being thrown for GET api/v0/plans [#569](https://github.com/portagenetwork/roadmap/issues/569)
diff --git a/app/models/org.rb b/app/models/org.rb
index 76c3d04025..4a2e632aed 100644
--- a/app/models/org.rb
+++ b/app/models/org.rb
@@ -92,9 +92,11 @@ class Org < ApplicationRecord
   # = Validations =
   # ===============
 
+  # DMP Assistant has some org names that are non-unique in there .downcase form
+  # TODO: Set `case_sensitive: false` after all such orgs names have been addressed
   validates :name, presence: { message: PRESENCE_MESSAGE },
                    uniqueness: { message: UNIQUENESS_MESSAGE,
-                                 case_sensitive: false }
+                                 case_sensitive: true }
 
   validates :is_other, inclusion: { in: BOOLEAN_VALUES,
                                     message: PRESENCE_MESSAGE }
diff --git a/spec/models/org_spec.rb b/spec/models/org_spec.rb
index 00c090c4d6..43a264f7db 100644
--- a/spec/models/org_spec.rb
+++ b/spec/models/org_spec.rb
@@ -8,8 +8,7 @@
 
     it {
       subject.name = 'DMP Company'
-      is_expected.to validate_uniqueness_of(:name).case_insensitive
-                                                  .with_message('must be unique')
+      is_expected.to validate_uniqueness_of(:name).with_message('must be unique')
     }
 
     it { is_expected.to allow_values(true, false).for(:is_other) }