diff --git a/github-oauth/pom.xml b/github-oauth/pom.xml
index 094a9db..fe43a82 100644
--- a/github-oauth/pom.xml
+++ b/github-oauth/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
     <artifactId>github-parent</artifactId>
-    <version>2.11-SNAPSHOT</version>
+    <version>2.12-SNAPSHOT</version>
   </parent>
   <artifactId>github-oauth</artifactId>
   <name>Gerrit Code Review - GitHub OAuth login</name>
diff --git a/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthWebFilter.java b/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthWebFilter.java
index 6929d16..6291481 100644
--- a/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthWebFilter.java
+++ b/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/OAuthWebFilter.java
@@ -26,8 +26,8 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
+import java.nio.file.Files;
+import java.nio.file.attribute.FileTime;
 import java.util.Random;
 import java.util.Set;
 
@@ -183,8 +183,8 @@
       String user, String access_token) throws IOException,
       ConfigInvalidException {
     FileBasedConfig currentSecureConfig =
-        new FileBasedConfig(sites.secure_config, FS.DETECTED);
-    long currentSecureConfigUpdateTs = sites.secure_config.lastModified();
+        new FileBasedConfig(sites.secure_config.toFile(), FS.DETECTED);
+    FileTime currentSecureConfigUpdateTs = Files.getLastModifiedTime(sites.secure_config);
     currentSecureConfig.load();
 
     boolean configUpdate =
@@ -202,19 +202,17 @@
     log.info("Updating " + sites.secure_config + " credentials for user "
         + user);
 
-    if (sites.secure_config.lastModified() != currentSecureConfigUpdateTs) {
+    FileTime secureConfigCurrentModifiedTime =
+        Files.getLastModifiedTime(sites.secure_config);
+    if (!secureConfigCurrentModifiedTime.equals(currentSecureConfigUpdateTs)) {
       throw new ConcurrentFileBasedConfigWriteException("File "
           + sites.secure_config + " was written at "
-          + formatTS(sites.secure_config.lastModified())
+          + secureConfigCurrentModifiedTime
           + " while was trying to update security for user " + user);
     }
     currentSecureConfig.save();
   }
 
-  private String formatTS(long ts) {
-    return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(ts));
-  }
-
   private boolean updateConfigSection(FileBasedConfig config, String section,
       String user, String password) {
     String configUser = config.getString("remote", section, "username");
diff --git a/github-plugin/pom.xml b/github-plugin/pom.xml
index 259f559..adb635b 100644
--- a/github-plugin/pom.xml
+++ b/github-plugin/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>github-parent</artifactId>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
-    <version>2.11-SNAPSHOT</version>
+    <version>2.12-SNAPSHOT</version>
   </parent>
 
   <artifactId>github-plugin</artifactId>
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/GitHubConfig.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/GitHubConfig.java
index 17c3b9e..44a4b4e 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/GitHubConfig.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/GitHubConfig.java
@@ -26,8 +26,8 @@
 
 import org.eclipse.jgit.lib.Config;
 
-import java.io.File;
 import java.net.MalformedURLException;
+import java.nio.file.Path;
 import java.util.HashMap;
 
 @Singleton
@@ -48,7 +48,7 @@
   private static final String CONF_PUBLIC_BASE_PROJECT = "publicBaseProject";
   private static final String CONF_PRIVATE_BASE_PROJECT = "privateBaseProject";
 
-  public final File gitDir;
+  public final Path gitDir;
   public final int jobPoolLimit;
   public final int jobExecTimeout;
   public final int pullRequestListLimit;
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java
index 4b6cfb7..1ca982d 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java
@@ -53,7 +53,7 @@
       GitDestinationNotWritableException {
     super(gitConfig.gitHubUrl, organisation, repository, gitHubRepoFactory);
     LOG.debug("GitHub Clone " + organisation + "/" + repository);
-    this.gitDir = gitConfig.gitDir;
+    this.gitDir = gitConfig.gitDir.toFile();
     this.destinationDirectory =
         getDestinationDirectory(organisation, repository);
   }
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/ReplicationConfig.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/ReplicationConfig.java
index 1784e0e..60e8502 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/ReplicationConfig.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/ReplicationConfig.java
@@ -35,9 +35,9 @@
   @Inject
   public ReplicationConfig(final SitePaths site) {
     replicationConf =
-        new FileBasedConfig(new File(site.etc_dir, "replication.config"),
+        new FileBasedConfig(new File(site.etc_dir.toFile(), "replication.config"),
             FS.DETECTED);
-    secureConf = new FileBasedConfig(site.secure_config, FS.DETECTED);
+    secureConf = new FileBasedConfig(site.secure_config.toFile(), FS.DETECTED);
   }
 
   public synchronized void addSecureCredentials(String organisation,
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GitHubDestinations.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GitHubDestinations.java
index e383fe1..ab8fa24 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GitHubDestinations.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GitHubDestinations.java
@@ -34,9 +34,10 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.File;
 import java.io.IOException;
 import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -79,7 +80,7 @@
     replicationUserFactory = ruf;
     gitRepositoryManager = grm;
     groupBackend = gb;
-    configs = getDestinations(new File(site.etc_dir, "replication.config"));
+    configs = getDestinations(site.etc_dir.resolve("replication.config"));
     organisations = getOrganisations(configs);
   }
 
@@ -94,13 +95,13 @@
     return organisations;
   }
 
-  private List<Destination> getDestinations(File cfgPath)
+  private List<Destination> getDestinations(Path cfgPath)
       throws ConfigInvalidException, IOException {
-    FileBasedConfig cfg = new FileBasedConfig(cfgPath, FS.DETECTED);
-    if (!cfg.getFile().exists() || cfg.getFile().length() == 0) {
+    if (!Files.exists(cfgPath) || Files.size(cfgPath) == 0) {
       return Collections.emptyList();
-    }
-
+    }    
+    
+    FileBasedConfig cfg = new FileBasedConfig(cfgPath.toFile(), FS.DETECTED);
     try {
       cfg.load();
     } catch (ConfigInvalidException e) {
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/PluginVelocityRuntimeProvider.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/PluginVelocityRuntimeProvider.java
index 57b4780..431a438 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/PluginVelocityRuntimeProvider.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/PluginVelocityRuntimeProvider.java
@@ -26,7 +26,6 @@
 import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;
 import org.apache.velocity.runtime.resource.loader.JarResourceLoader;
 
-import java.io.File;
 import java.util.Properties;
 
 @Singleton
@@ -65,13 +64,14 @@
     p.setProperty(VELOCITY_FILE_RESOURCE_LOADER_CLASS, pkg
         + ".FileResourceLoader");
     p.setProperty(VELOCITY_FILE_RESOURCE_LOADER_PATH,
-        new File(site.static_dir.getAbsolutePath(), "..").getAbsolutePath());
+        site.static_dir.getParent().toAbsolutePath().toString());
     p.setProperty(VELOCITY_CLASS_RESOURCE_LOADER_CLASS,
         ClasspathResourceLoader.class.getName());
     p.setProperty(VELOCITY_JAR_RESOURCE_LOADER_CLASS,
         JarResourceLoader.class.getName());
     p.setProperty(VELOCITY_JAR_RESOURCE_LOADER_PATH, "jar:file:"
-        + new File(site.plugins_dir, pluginName + ".jar").getAbsolutePath());
+        + site.plugins_dir.resolve(pluginName + ".jar").toAbsolutePath()
+            .toString());
 
     RuntimeInstance ri = new RuntimeInstance();
     try {
diff --git a/pom.xml b/pom.xml
index 948a764..fdc25c9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.googlesource.gerrit.plugins.github</groupId>
   <artifactId>github-parent</artifactId>
-  <version>2.11-SNAPSHOT</version>
+  <version>2.12-SNAPSHOT</version>
   <name>Gerrit Code Review - GitHub integration</name>
   <url>http://www.gerritforge.com</url>
   <packaging>pom</packaging>