diff --git a/VERSION b/VERSION
index 8026f1e..cfb4e97 100644
--- a/VERSION
+++ b/VERSION
@@ -1,4 +1,4 @@
 # Used by BUCK to include "Implementation-Version" in plugin Manifest.
 # If this file doesn't exist the output of 'git describe' is used
 # instead.
-PLUGIN_VERSION = '2.11.1'
+PLUGIN_VERSION = '2.12-SNAPSHOT'
diff --git a/lib/gerrit/BUCK b/lib/gerrit/BUCK
index 9f6abff..f3d5f34 100644
--- a/lib/gerrit/BUCK
+++ b/lib/gerrit/BUCK
@@ -1,7 +1,7 @@
 include_defs('//bucklets/maven_jar.bucklet')
 
-VER = '2.11.1'
-REPO = MAVEN_CENTRAL
+VER = '2.12-SNAPSHOT'
+REPO = MAVEN_LOCAL
 
 maven_jar(
   name = 'plugin-api',
diff --git a/pom.xml b/pom.xml
index c5f8b82..6b2d344 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 
   <properties>
     <Gerrit-ApiType>plugin</Gerrit-ApiType>
-    <Gerrit-ApiVersion>${project.version}</Gerrit-ApiVersion>
+    <Gerrit-ApiVersion>2.12-SNAPSHOT</Gerrit-ApiVersion>
   </properties>
 
   <build>
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/CreateServiceUserNotes.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/CreateServiceUserNotes.java
index cde6361..7c8140c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/CreateServiceUserNotes.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/CreateServiceUserNotes.java
@@ -85,21 +85,20 @@
       return;
     }
 
-    RevWalk rw = new RevWalk(git);
-    try {
-      RevCommit n = rw.parseCommit(newObjectId);
-      rw.markStart(n);
-      if (n.getParentCount() == 1 && n.getParent(0).equals(oldObjectId)) {
-        rw.markUninteresting(rw.parseCommit(oldObjectId));
-      } else {
-        markUninteresting(git, branch, rw, oldObjectId);
+    try (RevWalk rw = new RevWalk(git)) {
+      try {
+        RevCommit n = rw.parseCommit(newObjectId);
+        rw.markStart(n);
+        if (n.getParentCount() == 1 && n.getParent(0).equals(oldObjectId)) {
+          rw.markUninteresting(rw.parseCommit(oldObjectId));
+        } else {
+          markUninteresting(git, branch, rw, oldObjectId);
+        }
+      } catch (Exception e) {
+        log.error(e.getMessage(), e);
+        return;
       }
-    } catch (Exception e) {
-      log.error(e.getMessage(), e);
-      return;
-    }
 
-    try {
       for (RevCommit c : rw) {
         ServiceUserInfo serviceUser =
             serviceUserResolver.getAsServiceUser(c.getCommitterIdent());
@@ -109,8 +108,6 @@
           getMessage().append("* ").append(c.getShortMessage()).append("\n");
         }
       }
-    } finally {
-      rw.close();
     }
   }
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetConfig.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetConfig.java
index 639c025..07e8217 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetConfig.java
@@ -17,6 +17,7 @@
 import com.google.common.base.Strings;
 import com.google.gerrit.common.data.GroupDescriptions;
 import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.RestReadView;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.server.account.GroupCache;
@@ -24,7 +25,6 @@
 import com.google.gerrit.server.config.PluginConfig;
 import com.google.gerrit.server.config.PluginConfigFactory;
 import com.google.gerrit.server.group.GroupJson;
-import com.google.gerrit.server.group.GroupJson.GroupInfo;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetOwner.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetOwner.java
index d7cd3d2..de8ccc2 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetOwner.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetOwner.java
@@ -19,12 +19,12 @@
 
 import com.google.gerrit.common.data.GroupDescription;
 import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.Response;
 import com.google.gerrit.extensions.restapi.RestReadView;
 import com.google.gerrit.server.git.ProjectLevelConfig;
 import com.google.gerrit.server.group.GroupJson;
-import com.google.gerrit.server.group.GroupJson.GroupInfo;
 import com.google.gerrit.server.group.GroupsCollection;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gwtorm.server.OrmException;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java
index 22f3afd..2f9d56b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetServiceUser.java
@@ -21,6 +21,7 @@
 
 import com.google.gerrit.extensions.annotations.PluginName;
 import com.google.gerrit.extensions.common.AccountInfo;
+import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.Response;
 import com.google.gerrit.extensions.restapi.RestReadView;
@@ -28,7 +29,6 @@
 import com.google.gerrit.server.account.AccountLoader;
 import com.google.gerrit.server.account.GetAccount;
 import com.google.gerrit.server.git.ProjectLevelConfig;
-import com.google.gerrit.server.group.GroupJson.GroupInfo;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutConfig.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutConfig.java
index 4986cec..e03ca57 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutConfig.java
@@ -71,7 +71,7 @@
   public Response<String> apply(ConfigResource rsrc, Input input)
       throws IOException, ConfigInvalidException, UnprocessableEntityException {
     FileBasedConfig cfg =
-        new FileBasedConfig(sitePaths.gerrit_config, FS.DETECTED);
+        new FileBasedConfig(sitePaths.gerrit_config.toFile(), FS.DETECTED);
     cfg.load();
     if (input.info != null) {
       cfg.setString("plugin", pluginName, "infoMessage",
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutEmail.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutEmail.java
index 778a7fe..6304f0f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutEmail.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutEmail.java
@@ -19,6 +19,7 @@
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.BadRequestException;
 import com.google.gerrit.extensions.restapi.DefaultInput;
+import com.google.gerrit.extensions.api.accounts.EmailInput;
 import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
 import com.google.gerrit.extensions.restapi.ResourceConflictException;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
@@ -89,7 +90,7 @@
       if (email != null) {
         deleteEmail.get().apply(rsrc.getUser(), email);
       }
-      CreateEmail.Input in = new CreateEmail.Input();
+      EmailInput in = new EmailInput();
       in.email = input.email;
       in.noConfirmation = true;
       createEmailFactory.get().create(input.email).apply(rsrc.getUser(), in);
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutOwner.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutOwner.java
index 6201514..726a4f5 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutOwner.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/PutOwner.java
@@ -21,6 +21,7 @@
 import com.google.gerrit.common.data.GroupDescription;
 import com.google.gerrit.common.data.GroupDescriptions;
 import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.DefaultInput;
 import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
 import com.google.gerrit.extensions.restapi.ResourceConflictException;
@@ -33,7 +34,6 @@
 import com.google.gerrit.server.git.MetaDataUpdate;
 import com.google.gerrit.server.git.ProjectLevelConfig;
 import com.google.gerrit.server.group.GroupJson;
-import com.google.gerrit.server.group.GroupJson.GroupInfo;
 import com.google.gerrit.server.group.GroupsCollection;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gwtorm.server.OrmException;