diff --git a/build.gradle b/build.gradle
index 1fc1720..b22b978 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ apply plugin: 'maven'
 apply plugin: 'maven-publish'
 
 group = 'io.storj'
-version = '0.6.1'
+version = '0.6.2'
 
 description = """Java bindings for libstorj"""
 
diff --git a/src/main/java/io/storj/libstorj/Storj.java b/src/main/java/io/storj/libstorj/Storj.java
index c8efe04..bfd6621 100644
--- a/src/main/java/io/storj/libstorj/Storj.java
+++ b/src/main/java/io/storj/libstorj/Storj.java
@@ -248,6 +248,33 @@ public class Storj {
      */
     public static final int STORJ_BRIDGE_OFFER_ERROR = 1014;
 
+    /**
+     * Error code for general error with requesting a farmer during a download or
+     * upload operation.
+     */
+    public static final int STORJ_FARMER_REQUEST_ERROR = 2000;
+
+    /**
+     * Error code if a request to a farmer timed out during a download or upload
+     * operation.
+     */
+    public static final int STORJ_FARMER_TIMEOUT_ERROR = 2001;
+
+    /**
+     * Error code if a farmer was requested with invalid credentials.
+     */
+    public static final int STORJ_FARMER_AUTH_ERROR = 2002;
+
+    /**
+     * Error code if a farmer is exhausted.
+     */
+    public static final int STORJ_FARMER_EXHAUSTED_ERROR = 2003;
+
+    /**
+     * Error code for farmer integrity problems.
+     */
+    public static final int STORJ_FARMER_INTEGRITY_ERROR = 2004;
+
     /**
      * Error code if info about the file being uploaded could not be retrieved from
      * the local file system.