diff --git a/games-strategy/0ad/0ad-9999.ebuild b/games-strategy/0ad/0ad-9999.ebuild
index 3ec051e..9e97113 100644
--- a/games-strategy/0ad/0ad-9999.ebuild
+++ b/games-strategy/0ad/0ad-9999.ebuild
@@ -21,7 +21,7 @@ KEYWORDS=""
 IUSE="+audio editor fam +lobby pch test upnp"
 
 RDEPEND="media-gfx/nvidia-texture-tools
-	dev-lang/spidermonkey:24
+	dev-lang/spidermonkey:31
 	dev-libs/boost
 	dev-libs/libxml2
 	media-libs/libpng:0