diff --git a/CHANGES.md b/CHANGES.md
index 0392ee862..ee8ae4c99 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## v1.4 - 2015-04-30
+
+  * Port to Cesium 1.8 and Ol 3.4.0
+  * Mark `olcs.RasterSynchronizer` @api
+
 ## v1.3 - 2015-03-23
 
 * Breaking changes
diff --git a/cesium b/cesium
index 99dea50a8..31b917f5d 160000
--- a/cesium
+++ b/cesium
@@ -1 +1 @@
-Subproject commit 99dea50a8a4777da22cd3f8b039f3f7de6906c74
+Subproject commit 31b917f5d6694eb8288eabbdd15f1919b327304c
diff --git a/ol3 b/ol3
index 7527eddba..626d1da0e 160000
--- a/ol3
+++ b/ol3
@@ -1 +1 @@
-Subproject commit 7527eddbafe49ae3deb8eb652201a58d6ee1e02c
+Subproject commit 626d1da0e72ee90fc1906a045ded24580847fd10