diff --git a/conf/app.src b/conf/app.src
index a21d937..e340979 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/os-js/OS.js/archive/v2.1.6.tar.gz
-SOURCE_SUM=8cac584aa5405b9b5190537dbbcb58c1627bfdcf9dc851b49ead98cab793cf21
+SOURCE_URL=https://github.com/os-js/OS.js/archive/3.0.0-alpha.27.tar.gz
+SOURCE_SUM=f2ac23b43a0ae77014d4b23867c05e57cca2d015df428a4cbb0c5d15251f3740
 SOURCE_SUM_PRG=sha256sum
 ARCH_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true