diff --git a/core/package.json b/core/package.json
index fd579c156..ca398a97b 100644
--- a/core/package.json
+++ b/core/package.json
@@ -7,7 +7,7 @@
   ],
   "repository": "nuxeo/nuxeo-elements.git",
   "name": "@nuxeo/nuxeo-elements",
-  "version": "3.1.15-SNAPSHOT",
+  "version": "3.1.15-rc.4",
   "author": "Nuxeo",
   "license": "Apache-2.0",
   "scripts": {
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@nuxeo/moment": "^2.24.0-nx.0",
-    "@nuxeo/testing-helpers": "^3.1.15-SNAPSHOT",
+    "@nuxeo/testing-helpers": "^3.1.15-rc.4",
     "@polymer/iron-component-page": "^4.0.0",
     "polymer-cli": "^1.8.0"
   },
diff --git a/dataviz/package.json b/dataviz/package.json
index 21b6fe2d9..79b8e4907 100644
--- a/dataviz/package.json
+++ b/dataviz/package.json
@@ -9,7 +9,7 @@
   ],
   "repository": "nuxeo/nuxeo-elements.git",
   "name": "@nuxeo/nuxeo-dataviz-elements",
-  "version": "3.1.15-SNAPSHOT",
+  "version": "3.1.15-rc.4",
   "author": "Nuxeo",
   "license": "Apache-2.0",
   "scripts": {
@@ -17,7 +17,7 @@
     "serve": "polymer serve --npm -c ../node_modules"
   },
   "devDependencies": {
-    "@nuxeo/testing-helpers": "^3.1.15-SNAPSHOT",
+    "@nuxeo/testing-helpers": "^3.1.15-rc.4",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/test-fixture": "^4.0.2",
     "@webcomponents/webcomponentsjs": "^2.0.0",
@@ -32,7 +32,7 @@
   "main": "nuxeo-dataviz-elements.js",
   "dependencies": {
     "@nuxeo/moment": "^2.24.0-nx.0",
-    "@nuxeo/nuxeo-elements": "^3.1.15-SNAPSHOT",
+    "@nuxeo/nuxeo-elements": "^3.1.15-rc.4",
     "@polymer/polymer": "^3.0.0",
     "moment": "2.30.1"
   }
diff --git a/lerna.json b/lerna.json
index d904e2259..85de8c653 100644
--- a/lerna.json
+++ b/lerna.json
@@ -2,6 +2,6 @@
   "packages": [
     "*"
   ],
-  "version": "3.1.15-SNAPSHOT",
+  "version": "3.1.15-rc.4",
   "hoist": true
 }
diff --git a/package.json b/package.json
index 67da11de1..7c31b5e0c 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "repository": "nuxeo/nuxeo-elements.git",
   "name": "nuxeo-elements",
   "private": true,
-  "version": "3.1.15-SNAPSHOT",
+  "version": "3.1.15-rc.4",
   "author": "Nuxeo",
   "license": "Apache-2.0",
   "engines": {
diff --git a/storybook/package.json b/storybook/package.json
index e38f5e766..ac97d1ef0 100644
--- a/storybook/package.json
+++ b/storybook/package.json
@@ -2,15 +2,15 @@
   "description": "Nuxeo Web Components Storybook",
   "repository": "nuxeo/nuxeo-elements.git",
   "name": "@nuxeo/nuxeo-elements-storybook",
-  "version": "3.1.15-SNAPSHOT",
+  "version": "3.1.15-rc.4",
   "author": "Nuxeo",
   "license": "Apache-2.0",
   "private": true,
   "dependencies": {
     "@babel/core": "^7.3.4",
-    "@nuxeo/nuxeo-elements": "^3.1.15-SNAPSHOT",
-    "@nuxeo/nuxeo-ui-elements": "^3.1.15-SNAPSHOT",
-    "@nuxeo/testing-helpers": "^3.1.15-SNAPSHOT",
+    "@nuxeo/nuxeo-elements": "^3.1.15-rc.4",
+    "@nuxeo/nuxeo-ui-elements": "^3.1.15-rc.4",
+    "@nuxeo/testing-helpers": "^3.1.15-rc.4",
     "@polymer/iron-icon": "^3.0.0",
     "@polymer/iron-meta": "^3.0.1",
     "@polymer/polymer": "^3.0.0",
diff --git a/testing-helpers/package.json b/testing-helpers/package.json
index 6895c4ec4..5398e2e1f 100644
--- a/testing-helpers/package.json
+++ b/testing-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nuxeo/testing-helpers",
-  "version": "3.1.15-SNAPSHOT",
+  "version": "3.1.15-rc.4",
   "description": "Nuxeo Web Components Testing Helpers",
   "keywords": [
     "nuxeo",
diff --git a/ui/package.json b/ui/package.json
index d962dab8e..b3329951f 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nuxeo/nuxeo-ui-elements",
-  "version": "3.1.15-SNAPSHOT",
+  "version": "3.1.15-rc.4",
   "description": "Nuxeo UI Web Components.",
   "keywords": [
     "nuxeo",
@@ -18,7 +18,7 @@
     "serve": "polymer serve --npm -c ../node_modules"
   },
   "devDependencies": {
-    "@nuxeo/testing-helpers": "^3.1.15-SNAPSHOT",
+    "@nuxeo/testing-helpers": "^3.1.15-rc.4",
     "@polymer/iron-component-page": "^4.0.0",
     "@webcomponents/webcomponentsjs": "^2.0.0",
     "polymer-cli": "^1.8.0"
@@ -26,7 +26,7 @@
   "main": "nuxeo-ui-elements.js",
   "dependencies": {
     "@nuxeo/moment": "^2.24.0-nx.0",
-    "@nuxeo/nuxeo-elements": "^3.1.15-SNAPSHOT",
+    "@nuxeo/nuxeo-elements": "^3.1.15-rc.4",
     "@nuxeo/paper-typeahead": "^0.6.0-nx.0",
     "@nuxeo/quill": "^2.0.0-dev.3-nx.3",
     "@polymer/iron-autogrow-textarea": "^3.0.1",