diff --git a/NEWS.md b/NEWS.md
index bbbafb96..e730c575 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -5,6 +5,7 @@
  * Mapnik-version dependent default styles
  * Enhance 2.0 -> 2.1 transforms:
   * styles with conditional markers
+  * scale arrow markers by 50%
 
 1.1.2 (DD//MM//YY)
 -----
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index fac455ca..48531977 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -182,7 +182,7 @@
       "version": "1.3.3"
     },
     "grainstore": {
-      "version": "0.10.4",
+      "version": "0.10.5",
       "dependencies": {
         "carto": {
           "version": "0.9.3-cdb2",
diff --git a/package.json b/package.json
index ced6bc09..cb550e74 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
         "cluster2": "git://github.com/CartoDB/cluster2.git#cdb_production",
         "node-varnish": "0.1.1",
         "underscore"  : "~1.3.3",
-        "grainstore"  : "~0.10.4",
+        "grainstore"  : "~0.10.5",
         "windshaft"  : "~0.8.0",
         "step": "0.0.x",
         "generic-pool": "1.0.x",