diff --git a/SkinVector.php b/SkinVector.php
index 5dd6ef2..7689131 100644
--- a/SkinVector.php
+++ b/SkinVector.php
@@ -81,7 +81,7 @@ class SkinVector extends SkinTemplate {
 		parent::setupSkinUserCss( $out );
 
 		$styles = [ 'mediawiki.skinning.interface', 'skins.vector.styles' ];
-		Hooks::run( 'SkinVectorStyleModules', [ $this, &$styles ] );
+		Hooks::run( 'SkinVectorStyleModules', [ $this, &$styles ], '1.31' );
 		$out->addModuleStyles( $styles );
 	}
 
diff --git a/hooks.txt b/hooks.txt
index 84ca7fe..57da2ce 100644
--- a/hooks.txt
+++ b/hooks.txt
@@ -1,7 +1,7 @@
 Hooks provided by the Vector skin.
 
-'SkinVectorStyleModules': Called when defining the list of module styles to be
-loaded by the Vector skin.
+'SkinVectorStyleModules': DEPRECATED! Called when defining the list of module
+styles to be loaded by the Vector skin.
 $skin: SkinVector object
 &$styles: Array of module names whose style will be loaded for the skin