diff --git a/docs/slides/plpv14/_support/reveal/package.json b/docs/slides/plpv14/_support/reveal/package.json
old mode 100755
new mode 100644
index fa85011b32..eba8184abf
--- a/docs/slides/plpv14/_support/reveal/package.json
+++ b/docs/slides/plpv14/_support/reveal/package.json
@@ -14,7 +14,7 @@
 		"underscore" : "1.3.3",
 		"express" : "2.5.9",
 		"socket.io" : "0.9.6",
-		"mustache" : "0.4.0"
+		"mustache" : "2.2.1"
 	},
 	"devDependencies": {}
 }