diff --git a/NEWS.md b/NEWS.md
index 720e0458..01f4e71c 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -8,13 +8,14 @@ Notice:
 
 New features:
 - CI tests with Ubuntu Xenial + PostgreSQL 10.1 and Ubuntu Precise + PostgreSQL 9.5
-- Upgrades Windshaft to [4.8.2](https://github.com/CartoDB/Windshaft/blob/4.8.2/NEWS.md#version-482) which includes:
+- Upgrades Windshaft to [4.8.3](https://github.com/CartoDB/Windshaft/blob/4.8.3/NEWS.md#version-483) which includes:
   - Update internal deps.
   - A fix in mapnik-vector-tile to avoid grouping together properties with the same value but a different type.
   - Performance improvements in the marker symbolizer (local cache, avoid building the collision matrix when possible).
   - MVT: Disable simplify_distance to avoid multiple simplifications.
   - Fix a bug with zero length lines not being rendered when using the marker symbolizer.
   - Reduce size of npm package
+  - Omit attributes validation in layers with aggregation to avoid potentially long instantiation times
 - Upgrades Camshaft to [0.61.11](https://github.com/CartoDB/camshaft/releases/tag/0.61.11):
   - Use Dollar-Quoted String Constants to avoid Syntax Error while running moran analyses. [0.61.10](https://github.com/CartoDB/camshaft/releases/tag/0.61.10)
   - Quote name columns when performing trade area analysis to avoid Syntax Errors. [0.61.11](https://github.com/CartoDB/camshaft/releases/tag/0.61.11)
diff --git a/package.json b/package.json
index eefb1d92..fbf959db 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "step-profiler": "0.3.0",
     "turbo-carto": "0.20.4",
     "underscore": "1.6.0",
-    "windshaft": "4.8.2",
+    "windshaft": "4.8.3",
     "yargs": "11.1.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 1c28059e..620b4034 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1710,14 +1710,10 @@ oauth-sign@~0.8.1, oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-object-assign@4.1.0:
+object-assign@4.1.0, object-assign@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
 
-object-assign@^4.1.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
-
 object-keys@~0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
@@ -2075,7 +2071,7 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
-readable-stream@1.1:
+readable-stream@1.1, readable-stream@~1.1.9:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.13.tgz#f6eef764f514c89e2b9e23146a75ba106756d23e"
   dependencies:
@@ -2105,15 +2101,6 @@ readable-stream@~1.0.2:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@~1.1.9:
-  version "1.1.14"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
-  dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "0.0.1"
-    string_decoder "~0.10.x"
-
 redis-commands@^1.2.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/redis-commands/-/redis-commands-1.3.5.tgz#4495889414f1e886261180b1442e7295602d83a2"
@@ -2720,11 +2707,7 @@ utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
 
-uuid@^3.0.0:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
-
-uuid@^3.1.0:
+uuid@^3.0.0, uuid@^3.1.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
 
@@ -2775,9 +2758,9 @@ window-size@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.2.0.tgz#b4315bb4214a3d7058ebeee892e13fa24d98b075"
 
-windshaft@4.8.2:
-  version "4.8.2"
-  resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-4.8.2.tgz#4ac29d0da4df580a064eb061bbe0be3907e92166"
+windshaft@4.8.3:
+  version "4.8.3"
+  resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-4.8.3.tgz#9cc0ae9cea6b4e716858f4c15c138c1e9c158b9e"
   dependencies:
     "@carto/mapnik" "3.6.2-carto.10"
     "@carto/tilelive-bridge" cartodb/tilelive-bridge#2.5.1-cdb9