diff --git a/tools/metrics/histograms/metadata/chromeos/histograms.xml b/tools/metrics/histograms/metadata/chromeos/histograms.xml
index aef459102380b7..ccc823bb1e7923 100644
--- a/tools/metrics/histograms/metadata/chromeos/histograms.xml
+++ b/tools/metrics/histograms/metadata/chromeos/histograms.xml
@@ -925,7 +925,7 @@ incoming reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="ChromeOS.PlatformKeysService.{Operation}.{KeyType}"
-    enum="BooleanSuccess" expires_after="2021-09-19">
+    enum="BooleanSuccess" expires_after="2022-03-19">
   <owner>omorsi@google.com</owner>
   <owner>mgawad@google.com</owner>
   <summary>