diff --git a/bin/build.sh b/bin/build.sh
index 73a0a1fdfde5e27ed60d82dfde56ab72aca2605e..ed726d3826e8fe1e0a4bdca3d95e952073668f95 100755
--- a/bin/build.sh
+++ b/bin/build.sh
@@ -39,7 +39,7 @@ ENABLE2="yes"
 ENABLE3="yes"
 ENABLE4="yes"
 
-version=20f
+version=21a
 SRCDIR=src
 BINDIR=bin
 TOOLDIR=$BINDIR