diff --git a/CHANGELOG b/CHANGELOG
index 2d09a608f1201c89460a16f9d95a0c9a08d2758d..c7afe8928d716471f401cc719d34379767b55d77 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@ v 7.5.0
   - Add time zone configuration on gitlab.yml (Sullivan Senechal)
   - Fix LDAP authentication for Git HTTP access
   - Fix LDAP config lookup for provider 'ldap'
+  - Drop all sequences during Postgres database restore
   - Project title links to project homepage (Ben Bodenmiller)
   - Add Atlassian Bamboo CI service (Drew Blessing)
   - Mentioned @user will receive email even if he is not participating in issue or commit
diff --git a/lib/backup/database.rb b/lib/backup/database.rb
index d12d30a91103ad4dde9c49e9d28352a6432b19bd..ea659e3b605fd81cb72fecb9395ff7b2f91efc64 100644
--- a/lib/backup/database.rb
+++ b/lib/backup/database.rb
@@ -34,6 +34,7 @@ module Backup
         # Drop all tables because PostgreSQL DB dumps do not contain DROP TABLE
         # statements like MySQL.
         Rake::Task["gitlab:db:drop_all_tables"].invoke
+        Rake::Task["gitlab:db:drop_all_postgres_sequences"].invoke
         pg_env
         system('psql', config['database'], '-f', db_file_name)
       end
diff --git a/lib/tasks/gitlab/db/drop_all_postgres_sequences.rake b/lib/tasks/gitlab/db/drop_all_postgres_sequences.rake
new file mode 100644
index 0000000000000000000000000000000000000000..e9cf0a9b5e862cc16d1b886ecac14ff424d8807c
--- /dev/null
+++ b/lib/tasks/gitlab/db/drop_all_postgres_sequences.rake
@@ -0,0 +1,10 @@
+namespace :gitlab do
+  namespace :db do
+    task drop_all_postgres_sequences: :environment do
+      connection = ActiveRecord::Base.connection
+      connection.execute("SELECT c.relname FROM pg_class c WHERE c.relkind = 'S';").each do |sequence|
+        connection.execute("DROP SEQUENCE #{sequence['relname']}")
+      end
+    end
+  end
+end