diff --git a/phpmd.xml b/phpmd.xml
index e7d9aa7c..b4e6ef61 100644
--- a/phpmd.xml
+++ b/phpmd.xml
@@ -21,7 +21,7 @@
 
     <rule ref="rulesets/naming.xml/ShortVariable">
         <properties>
-            <property name="exceptions" value="db,dn,id,i,j" />
+            <property name="exceptions" value="db,dn,id,i,j,e,ex" />
         </properties>
     </rule>
     <rule ref="rulesets/naming.xml/ShortMethodName">
diff --git a/src/Model/Base/Build.php b/src/Model/Base/Build.php
index c1fc0cab..c356aa2b 100644
--- a/src/Model/Base/Build.php
+++ b/src/Model/Base/Build.php
@@ -2,6 +2,7 @@
 
 namespace PHPCensor\Model\Base;
 
+use PHPCensor\Exception\HttpException\ValidationException;
 use PHPCensor\Model;
 
 class Build extends Model
@@ -40,6 +41,28 @@ class Build extends Model
         'user_id'         => 0,
     ];
 
+    /**
+     * @var array
+     */
+    protected $allowedStatuses = [
+        self::STATUS_PENDING,
+        self::STATUS_RUNNING,
+        self::STATUS_SUCCESS,
+        self::STATUS_FAILED,
+    ];
+
+    /**
+     * @var array
+     */
+    protected $allowedSources = [
+        self::SOURCE_UNKNOWN,
+        self::SOURCE_MANUAL_WEB,
+        self::SOURCE_MANUAL_CONSOLE,
+        self::SOURCE_PERIODICAL,
+        self::SOURCE_WEBHOOK,
+        self::SOURCE_WEBHOOK_PULL_REQUEST,
+    ];
+
     /**
      * @return integer
      */
@@ -132,6 +155,8 @@ class Build extends Model
     /**
      * @param integer $value
      *
+     * @throws ValidationException
+     *
      * @return boolean
      */
     public function setStatus($value)
@@ -139,6 +164,12 @@ class Build extends Model
         $this->validateNotNull('status', $value);
         $this->validateInt('status', $value);
 
+        if (!in_array($value, $this->allowedStatuses, true)) {
+            throw new ValidationException(
+                'Column "status" must be one of: ' . join(', ', $this->allowedStatuses) . '.'
+            );
+        }
+
         if ($this->data['status'] === $value) {
             return false;
         }
@@ -443,12 +474,20 @@ class Build extends Model
     /**
      * @param integer $value
      *
+     * @throws ValidationException
+     *
      * @return boolean
      */
     public function setSource($value)
     {
         $this->validateInt('source', $value);
 
+        if (!in_array($value, $this->allowedSources, true)) {
+            throw new ValidationException(
+                'Column "source" must be one of: ' . join(', ', $this->allowedSources) . '.'
+            );
+        }
+
         if ($this->data['source'] === $value) {
             return false;
         }
diff --git a/tests/src/Model/Base/BuildTest.php b/tests/src/Model/Base/BuildTest.php
index 41785c88..db000c94 100644
--- a/tests/src/Model/Base/BuildTest.php
+++ b/tests/src/Model/Base/BuildTest.php
@@ -80,6 +80,9 @@ class BuildTest extends TestCase
 
         $result = $build->setStatus(Build::STATUS_FAILED);
         self::assertEquals(false, $result);
+
+        self::expectException('\PHPCensor\Exception\HttpException\ValidationException');
+        $build->setStatus(10);
     }
 
     public function testLog()
@@ -226,6 +229,9 @@ class BuildTest extends TestCase
 
         $result = $build->setSource(Build::SOURCE_WEBHOOK_PULL_REQUEST);
         self::assertEquals(false, $result);
+
+        self::expectException('\PHPCensor\Exception\HttpException\ValidationException');
+        $build->setSource(20);
     }
 
     public function testUserId()
diff --git a/tests/src/Model/Base/ProjectTest.php b/tests/src/Model/Base/ProjectTest.php
index 8231afd2..de1ebc9b 100644
--- a/tests/src/Model/Base/ProjectTest.php
+++ b/tests/src/Model/Base/ProjectTest.php
@@ -137,8 +137,10 @@ class ProjectTest extends TestCase
 
         $result = $project->setType('git');
         self::assertEquals(false, $result);
-    }
 
+        self::expectException('\PHPCensor\Exception\HttpException\ValidationException');
+        $project->setType('invalid-type');
+    }
 
     public function testAccessInformation()
     {
diff --git a/tests/src/Model/ProjectTest.php b/tests/src/Model/ProjectTest.php
index 267c058c..ef9eda58 100644
--- a/tests/src/Model/ProjectTest.php
+++ b/tests/src/Model/ProjectTest.php
@@ -2,6 +2,7 @@
 
 namespace Tests\PHPCensor\Model;
 
+use PHPCensor\Exception\HttpException\ValidationException;
 use PHPCensor\Model\Project;
 use PHPCensor\Model;
 
@@ -16,6 +17,15 @@ class ProjectTest extends \PHPUnit\Framework\TestCase
     {
         $project = new Project();
         self::assertTrue($project instanceof Model);
+
+        try {
+            $project->setArchived('true');
+        } catch (ValidationException $e) {
+            self::assertEquals(
+                'Column "archived" must be a boolean.',
+                $e->getMessage()
+            );
+        }
     }
 
     public function testExecute_TestGitDefaultBranch()