diff --git a/build.gradle b/build.gradle
index acf0dce9..4baded4f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
 	ext.versions = [
-		'compose': '1.0.0-alpha09',
+		'compose': '1.0.0-alpha10',
 		'kotlin': '1.4.21',
 		'kotlinxCoroutines': '1.4.1',
 	]
diff --git a/compose/upstream b/compose/upstream
index 72f02c12..6207afb1 160000
--- a/compose/upstream
+++ b/compose/upstream
@@ -1 +1 @@
-Subproject commit 72f02c12e4709ab41ae0fea9a8a668d5267a1df8
+Subproject commit 6207afb1646d302c5d29c2c67d332b48db87fb27
diff --git a/mosaic/src/main/kotlin/com/jakewharton/mosaic/components.kt b/mosaic/src/main/kotlin/com/jakewharton/mosaic/components.kt
index 5eaea1ad..727e6581 100644
--- a/mosaic/src/main/kotlin/com/jakewharton/mosaic/components.kt
+++ b/mosaic/src/main/kotlin/com/jakewharton/mosaic/components.kt
@@ -108,7 +108,7 @@ fun Column(children: @Composable () -> Unit) {
 @Composable
 private fun Box(flexDirection: YogaFlexDirection, children: @Composable () -> Unit) {
 	emit<BoxNode, MosaicNodeApplier>(
-		ctor = ::BoxNode,
+		factory = ::BoxNode,
 		update = {
 			set(flexDirection) {
 				yoga.flexDirection = flexDirection