diff --git a/.sandstorm/build.sh b/.sandstorm/build.sh
index ba728bc..7ca0b67 100755
--- a/.sandstorm/build.sh
+++ b/.sandstorm/build.sh
@@ -2,7 +2,7 @@
 set -euo pipefail
 
 # Checkout desired version.
-VERSION=$(cat /opt/app/VERSION)
+VERSION=$(grep -oE 'appMarketingVersion = \(defaultText = "(.+)"' /opt/app/.sandstorm/sandstorm-pkgdef.capnp | cut -d '"' -f2)
 cd /opt/app/babybuddy
 git checkout v"${VERSION}"
 
diff --git a/VERSION b/VERSION
deleted file mode 100644
index 589268e..0000000
--- a/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-1.3.0
\ No newline at end of file