diff --git a/configure.ac b/configure.ac
index b4098a1..f673de3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 # General init
-AC_INIT(libnfc, 1.3.4, info@libnfc.org)
+AC_INIT(libnfc, 1.3.9, info@libnfc.org)
 
 AC_CONFIG_MACRO_DIR([m4])