diff --git a/db/migrate/20240410193614_add_partial_index_on_dol.rb b/db/migrate/20240410193614_add_partial_index_on_dol.rb
new file mode 100644
index 000000000..180ab42fb
--- /dev/null
+++ b/db/migrate/20240410193614_add_partial_index_on_dol.rb
@@ -0,0 +1,7 @@
+class AddPartialIndexOnDol < ActiveRecord::Migration[7.0]
+  disable_ddl_transaction!
+
+  def change
+    add_index :dossier_operation_logs, :id, where: 'data is not null', algorithm: :concurrently
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2e8f741dc..c0acf3bd7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2024_04_02_212902) do
+ActiveRecord::Schema[7.0].define(version: 2024_04_10_193614) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_buffercache"
   enable_extension "pg_stat_statements"
@@ -420,6 +420,7 @@ ActiveRecord::Schema[7.0].define(version: 2024_04_02_212902) do
     t.datetime "updated_at", precision: nil, null: false
     t.index ["bill_signature_id"], name: "index_dossier_operation_logs_on_bill_signature_id"
     t.index ["dossier_id"], name: "index_dossier_operation_logs_on_dossier_id"
+    t.index ["id"], name: "index_dossier_operation_logs_on_id", where: "(data IS NOT NULL)"
     t.index ["keep_until"], name: "index_dossier_operation_logs_on_keep_until"
   end