diff --git a/src/Config.php b/src/Config.php
index c735a01..a9cc9eb 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -63,6 +63,11 @@ public function setConfig($config)
         }
     }
 
+    public function shouldUpdateWithDependencies()
+    {
+        return (bool) $this->config->update_with_dependencies;
+    }
+
     public function shouldAllowUpdatesBeyondConstraint()
     {
         return (bool) $this->config->allow_updates_beyond_constraint;
diff --git a/tests/UnitTest.php b/tests/UnitTest.php
index f7deafc..cbf871a 100644
--- a/tests/UnitTest.php
+++ b/tests/UnitTest.php
@@ -125,6 +125,17 @@ public function testOnePrPerPackage($filename, $expected_result)
         self::assertEquals($expected_result, $data->shouldUseOneMergeRequestPerPackage());
     }
 
+    /**
+     * Test the update_with_dependencies option.
+     *
+     * @dataProvider getUpdateWithDeps
+     */
+    public function testUpdateWithDeps($filename, $expected_result)
+    {
+        $data = $this->createDataFromFixture($filename);
+        self::assertEquals($expected_result, $data->shouldUpdateWithDependencies());
+    }
+
     /**
      * Test the allow_updates_beyond_constraint option.
      *
@@ -175,6 +186,32 @@ protected function createDataFromFixture($filename)
         return Config::createFromComposerData($file_contents);
     }
 
+    public function getUpdateWithDeps()
+    {
+        return [
+            [
+                'empty.json',
+                true,
+            ],
+            [
+                'update_with_dependencies.json',
+                true,
+            ],
+            [
+                'update_with_dependencies2.json',
+                false,
+            ],
+            [
+                'update_with_dependencies3.json',
+                true,
+            ],
+            [
+                'update_with_dependencies4.json',
+                false,
+            ],
+        ];
+    }
+
     public function getUpdatesBeyondConstraint()
     {
         return [
diff --git a/tests/fixtures/update_with_dependencies.json b/tests/fixtures/update_with_dependencies.json
new file mode 100644
index 0000000..51e47ab
--- /dev/null
+++ b/tests/fixtures/update_with_dependencies.json
@@ -0,0 +1,7 @@
+{
+  "extra": {
+    "violinist": {
+      "update_with_dependencies": 1
+    }
+  }
+}
diff --git a/tests/fixtures/update_with_dependencies2.json b/tests/fixtures/update_with_dependencies2.json
new file mode 100644
index 0000000..5209a9d
--- /dev/null
+++ b/tests/fixtures/update_with_dependencies2.json
@@ -0,0 +1,7 @@
+{
+  "extra": {
+    "violinist": {
+      "update_with_dependencies": 0
+    }
+  }
+}
diff --git a/tests/fixtures/update_with_dependencies3.json b/tests/fixtures/update_with_dependencies3.json
new file mode 100644
index 0000000..9afd573
--- /dev/null
+++ b/tests/fixtures/update_with_dependencies3.json
@@ -0,0 +1,7 @@
+{
+  "extra": {
+    "violinist": {
+      "update_with_dependencies": "1"
+    }
+  }
+}
diff --git a/tests/fixtures/update_with_dependencies4.json b/tests/fixtures/update_with_dependencies4.json
new file mode 100644
index 0000000..f61def1
--- /dev/null
+++ b/tests/fixtures/update_with_dependencies4.json
@@ -0,0 +1,7 @@
+{
+  "extra": {
+    "violinist": {
+      "update_with_dependencies": "0"
+    }
+  }
+}