diff --git a/Gemfile.lock b/Gemfile.lock
index 56ec9a0..d157b41 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    dashboard (0.1.16)
+    dashboard (0.1.17)
       bcrypt_pbkdf
       cssbundling-rails
       ed25519
diff --git a/db/migrate/20240103232412_create_dashboard_academic_years.rb b/db/migrate/20240103232412_create_dashboard_academic_years.rb
index e6a651f..5fc3f37 100644
--- a/db/migrate/20240103232412_create_dashboard_academic_years.rb
+++ b/db/migrate/20240103232412_create_dashboard_academic_years.rb
@@ -5,7 +5,5 @@ class CreateDashboardAcademicYears < ActiveRecord::Migration[7.1]
 
       t.timestamps
     end
-    remove_index :dashboard_academic_years, :range
-    add_index :dashboard_academic_years, :range, unique: true
   end
 end
diff --git a/db/migrate/20240209235612_add_unique_index_to_dashboard_academic_year.rb b/db/migrate/20240209235612_add_unique_index_to_dashboard_academic_year.rb
new file mode 100644
index 0000000..5000842
--- /dev/null
+++ b/db/migrate/20240209235612_add_unique_index_to_dashboard_academic_year.rb
@@ -0,0 +1,5 @@
+class AddUniqueIndexToDashboardAcademicYear < ActiveRecord::Migration[7.1]
+  def change
+    add_index :dashboard_academic_years, :range, unique: true
+  end
+end
diff --git a/lib/dashboard/version.rb b/lib/dashboard/version.rb
index b1b67a0..6d14c66 100644
--- a/lib/dashboard/version.rb
+++ b/lib/dashboard/version.rb
@@ -1,3 +1,3 @@
 module Dashboard
-  VERSION = "0.1.17"
+  VERSION = "0.1.18"
 end