Set Gerrit to v2.14.9

Change-Id: I741a20e9561626c2342e0660c02cfe981d94978d
diff --git a/centos/7/Dockerfile b/centos/7/Dockerfile
index cd41c08..33652a4 100644
--- a/centos/7/Dockerfile
+++ b/centos/7/Dockerfile
@@ -10,7 +10,7 @@
 # Install OpenJDK and Gerrit in two subsequent transactions
 # (pre-trans Gerrit script needs to have access to the Java command)
 RUN yum -y install java-1.8.0-openjdk
-RUN yum -y install gerrit-2.14.8
+RUN yum -y install gerrit-2.14.9
 
 USER gerrit
 RUN java -jar /var/gerrit/bin/gerrit.war init --batch --install-all-plugins -d /var/gerrit
diff --git a/ubuntu/16/Dockerfile b/ubuntu/16/Dockerfile
index 7edb9c0..67c7bbd 100644
--- a/ubuntu/16/Dockerfile
+++ b/ubuntu/16/Dockerfile
@@ -13,7 +13,7 @@
 # Install OpenJDK and Gerrit in two subsequent transactions
 # (pre-trans Gerrit script needs to have access to the Java command)
 RUN apt-get -y install openjdk-8-jdk
-RUN apt-get -y install gerrit=2.14.8-1 && rm -f /var/gerrit/logs/*
+RUN apt-get -y install gerrit=2.14.9-1 && rm -f /var/gerrit/logs/*
 
 USER gerrit
 RUN java -jar /var/gerrit/bin/gerrit.war init --batch --install-all-plugins -d /var/gerrit