diff --git a/rmarkdown-libs/leaflet-binding/lib/leaflet-omnivore/package.json b/rmarkdown-libs/leaflet-binding/lib/leaflet-omnivore/package.json
index 41b6b70..5dcbfae 100644
--- a/rmarkdown-libs/leaflet-binding/lib/leaflet-omnivore/package.json
+++ b/rmarkdown-libs/leaflet-binding/lib/leaflet-omnivore/package.json
@@ -63,7 +63,7 @@
     "jshint": "2.9.2",
     "mocha": "~2.5.3",
     "zuul": "~3.10.1",
-    "st": "1.1.0",
+    "st": "1.2.2",
     "mapbox.js": "2.4.0",
     "phantomjs-prebuilt": "2.1.7"
   }