diff --git a/CHANGELOG b/CHANGELOG
index 0ea307a37137d4178c3b2a57cec9c92eb1699bfd..a23eda6c026ebb428069901a28f619991297c35a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -39,6 +39,7 @@ v 8.9.0 (unreleased)
   - Projects pending deletion will render a 404 page
   - Measure queue duration between gitlab-workhorse and Rails
   - Make authentication service for Container Registry to be compatible with < Docker 1.11
+  - Make it possible to lock a runner from being enabled for other projects
   - Add Application Setting to configure Container Registry token expire delay (default 5min)
   - Cache assigned issue and merge request counts in sidebar nav
   - Use Knapsack only in CI environment
diff --git a/doc/ci/runners/README.md b/doc/ci/runners/README.md
index 40dc13d53b19ffdcf49fcf1bb855619e4c78b41f..bd654e655d64cafabe86ac4738837fafeecc46dd 100644
--- a/doc/ci/runners/README.md
+++ b/doc/ci/runners/README.md
@@ -96,6 +96,12 @@ To register the runner, run the command below and follow instructions:
 sudo gitlab-runner register
 ```
 
+###  Lock a specific runner from being enabled from other projects
+
+You can configure a runner to prevent it from being enabled for the other
+projects, so it's exclusive to current projects. This setting is available
+on each runner in *Project Settings* > *Runners*.
+
 ###  Making an existing Shared Runner Specific
 
 If you are an admin on your GitLab instance,