Uprev Gerrit to 3.8.1
diff --git a/gerrit/Dockerfile b/gerrit/Dockerfile
index 7ff4958..3c68be6 100644
--- a/gerrit/Dockerfile
+++ b/gerrit/Dockerfile
@@ -1,5 +1,5 @@
 ARG SSL_VARIANT=letsencrypt
-ARG GERRIT_TAG=3.8.0
+ARG GERRIT_TAG=3.8.1
 
 
 FROM gerritcodereview/gerrit:${GERRIT_TAG} as gerrit_letsencrypt