Set Gerrit to 3.5.6

Change-Id: I3af9f96b3112e5a6fd31554d988076f5e1e2a0d9
diff --git a/fpm/Makefile b/fpm/Makefile
index ad2722d..7cb4319 100644
--- a/fpm/Makefile
+++ b/fpm/Makefile
@@ -1,5 +1,5 @@
-VERSION=3.5.5
-WAR_VERSION=3.5.5
+VERSION=3.5.6
+WAR_VERSION=3.5.6
 BRANCH=stable-3.5
 URL=https://gerrit-releases.storage.googleapis.com/gerrit-$(WAR_VERSION).war
 CI_URL=https://gerrit-ci.gerritforge.com
diff --git a/macOS/Makefile b/macOS/Makefile
index 6d0c424..3e9df05 100644
--- a/macOS/Makefile
+++ b/macOS/Makefile
@@ -1,4 +1,4 @@
-VERSION := 3.5.5
+VERSION := 3.5.6
 
 all: server