diff --git a/libraries.install b/libraries.install
index b210b98..bfaa2f4 100644
--- a/libraries.install
+++ b/libraries.install
@@ -6,6 +6,43 @@
  */
 
 /**
+ * Implements hook_requirements().
+ */
+function libraries_requirements($phase) {
+  $requirements = array();
+
+  if ($phase == 'runtime') {
+    $libraries_info = libraries_info();
+    foreach (array_keys($libraries_info) as $library_name) {
+      $library_info = libraries_detect($library_name);
+      if ($library_info['installed']) {
+        $requirements['libraries-' . $library_name] = array(
+          'title' => t('Libraries: @library', array(
+            '@library' => $library_info['name'],
+          )),
+          'value' => t("Version @version of the %library library is installed.", array(
+            '@version' => $library_info['version'],
+            '%library' => $library_info['name'],
+          )),
+          'severity' => REQUIREMENT_OK,
+        );
+      }
+      else {
+        $requirements['libraries-' . $library_name] = array(
+          'title' => t('Libraries: @library', array(
+            '@library' => $library_info['name'],
+          )),
+          'value' => $library_info['error message'],
+          'severity' => REQUIREMENT_WARNING,
+        );
+      }
+    }
+  }
+
+  return $requirements;
+}
+
+/**
  * Implements hook_schema().
  */
 function libraries_schema() {