diff --git a/BUILD.sh b/BUILD.sh
index 996e7af..345a855 100755
--- a/BUILD.sh
+++ b/BUILD.sh
@@ -114,10 +114,10 @@
 
 if [[ $PLATFORM == ub16 ]]; then
     PLATFORM_REPOSITORY=${1:-OSM}
-    PLATFORM_VERSION=${2:-4.3.1.0.50309}
+    PLATFORM_VERSION=${2:-4.3.1.0.53704}
 elif [[ $PLATFORM == fc20 ]]; then
     PLATFORM_REPOSITORY=${1:-OSM}  # change to OSM when published
-    PLATFORM_VERSION=${2:-4.3.1.0.50310}
+    PLATFORM_VERSION=${2:-4.3.1.0.53705}
 else
     echo "Internal error: unknown platform $PLATFORM"
     exit 1