diff --git a/resources/deprecations.properties b/resources/deprecations.properties
index db7c69237..b9b60f834 100644
--- a/resources/deprecations.properties
+++ b/resources/deprecations.properties
@@ -15,6 +15,7 @@ emma = https://github.com/jenkinsci/jenkins/pull/5320
 extreme-feedback = https://www.jenkins.io/blog/2021/11/09/guava-upgrade/
 google-cloud-health-check = https://www.jenkins.io/blog/2021/11/09/guava-upgrade/
 harvest = https://github.com/jenkinsci/jenkins/pull/5320
+handlebars = https://github.com/handlebars-lang/handlebars.js/issues/1736#issuecomment-836430832
 javatest-report = https://github.com/jenkinsci/jenkins/pull/5320
 maven-repo-cleaner = https://github.com/jenkinsci/jenkins/pull/6323
 nis-notification-lamp = https://github.com/jenkinsci/jenkins/pull/5521