Update API version to 2.11.3

Change-Id: I027738ba160b9d4ceb9a296a361131369f0e3bc2
diff --git a/BUCK b/BUCK
index 0babbba..76d485c 100644
--- a/BUCK
+++ b/BUCK
@@ -7,7 +7,7 @@
   manifest_entries = [
     'Gerrit-PluginName: uploadvalidator',
     'Gerrit-ApiType: plugin',
-    'Gerrit-ApiVersion: 2.11',
+    'Gerrit-ApiVersion: 2.11.3',
     'Gerrit-Module: com.googlesource.gerrit.plugins.uploadvalidator.Module',
   ],
 )
diff --git a/lib/gerrit/BUCK b/lib/gerrit/BUCK
index 31c52aa..edad0e6 100644
--- a/lib/gerrit/BUCK
+++ b/lib/gerrit/BUCK
@@ -1,11 +1,12 @@
 include_defs('//bucklets/maven_jar.bucklet')
 
-VER = '2.11'
+VER = '2.11.3'
 REPO = MAVEN_CENTRAL
 
 maven_jar(
   name = 'plugin-api',
   id = 'com.google.gerrit:gerrit-plugin-api:' + VER,
+  sha1 = 'c6871ac4b8f36d00000f5705ea26a88252d5360f',
   attach_source = False,
   repository = REPO,
   license = 'Apache2.0',