diff --git a/configure.ac b/configure.ac
index 0c3cf64c93da7a88ebd2da638f0385a26e68ee8c..360788cc8994528a4b55dfeb9fdbe4ae116d66f5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ dnl ***************************
 dnl *** Version information ***
 dnl ***************************
 
-XDT_VERSION_INIT([4.20.0])
+XDT_VERSION_INIT([4.20.0], [git])
 
 dnl # DO NOT MODIFY ANYTHING BELOW THIS LINE, UNLESS YOU KNOW WHAT
 dnl # YOU ARE DOING.