diff --git a/CHANGELOG b/CHANGELOG
index d27ec2bbe29..dca9fd74728 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,7 @@ v 7.5.0
   - API: Add support for Hipchat (Kevin Houdebert)
   - Add time zone configuration on gitlab.yml (Sullivan Senechal)
   - Fix LDAP authentication for Git HTTP access
+  - Run 'GC.start' after every EmailsOnPushWorker job
   - Fix LDAP config lookup for provider 'ldap'
   - Drop all sequences during Postgres database restore
   - Project title links to project homepage (Ben Bodenmiller)
diff --git a/app/workers/emails_on_push_worker.rb b/app/workers/emails_on_push_worker.rb
index 2947c8e3ecd..e3f6f3a6aef 100644
--- a/app/workers/emails_on_push_worker.rb
+++ b/app/workers/emails_on_push_worker.rb
@@ -21,5 +21,8 @@ class EmailsOnPushWorker
     recipients.split(" ").each do |recipient|
       Notify.repository_push_email(project_id, recipient, author_id, branch, compare).deliver
     end
+  ensure
+    compare = nil
+    GC.start
   end
 end