diff --git a/CHANGES.md b/CHANGES.md
index 5bc82635b..ad534d00f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,9 +1,10 @@
 # Changelog
 
-* v 1.20
+* v 1.20 - 2016-09-02
 
 * Changes
-  * Port to OpenLayers 3.18.1
+  * Port to Cesium 1.25.
+  * Port to OpenLayers 3.18.2.
 
 # v 1.19 - 2016-08-08
 
diff --git a/cesium b/cesium
index 9b20bee2c..94fd66ff4 160000
--- a/cesium
+++ b/cesium
@@ -1 +1 @@
-Subproject commit 9b20bee2c9cf1f85adb88f6e04597cf147ea628f
+Subproject commit 94fd66ff4a25bef0d7f52a776e9cdd7bf0d996ee
diff --git a/ol3 b/ol3
index 0b3eed550..394c338ff 160000
--- a/ol3
+++ b/ol3
@@ -1 +1 @@
-Subproject commit 0b3eed5500216b3243077d128dd818e4b09a192c
+Subproject commit 394c338ff882a940e598dc7ce05c308ca56ecf61
diff --git a/package.json b/package.json
index 1e159ccd7..b9bf134a0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ol3-cesium",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "description": "OpenLayers 3 Cesium integration library",
   "scripts": {},
   "repository": {