diff --git a/apps/staging/jenkins/release/values-controller-plugins.yaml b/apps/staging/jenkins/release/values-controller-plugins.yaml
index 18c4332d9..28c3b0d6a 100644
--- a/apps/staging/jenkins/release/values-controller-plugins.yaml
+++ b/apps/staging/jenkins/release/values-controller-plugins.yaml
@@ -77,7 +77,7 @@ controller:
     - artifactId: timestamper
       source:
         # renovate: datasource=jenkins-plugins depName=timestamper
-        version: 1.21
+        version: 1.26
     - artifactId: ssh-agent
       source:
         # renovate: datasource=jenkins-plugins depName=ssh-agent