diff --git a/build/buildAll.sh b/build/buildAll.sh
index 6f920cd..296c5f6 100755
--- a/build/buildAll.sh
+++ b/build/buildAll.sh
@@ -1,7 +1,7 @@
 #!/bin/bash -e
 
 VERSION=`egrep 'VERSION = ([0-9.+])' ../common.mk | awk '{print $3}'`
-REVISION=`date +"%y%m%d"`
+REVISION=`git rev-list HEAD --count`
 
 mkdir -p ../dist
 rm -rf ../dist/*