diff --git a/auto.def b/auto.def
index 5fd49fbd7..dad819ccc 100644
--- a/auto.def
+++ b/auto.def
@@ -3,10 +3,10 @@
 
 use cc cc-lib cc-shared pkg-config
 
-set maj_ver 1
-set med_ver 21
-set min_ver 99
-set dev_ver 6
+set maj_ver 2
+set med_ver 0
+set min_ver 0
+set dev_ver 0
 define PKG_API [expr {$maj_ver * 1000000 + $med_ver * 1000 + $min_ver}]
 define VERSION $maj_ver.$med_ver.$min_ver[expr {$dev_ver ? ".$dev_ver" : ""}]