diff --git a/configure.ac b/configure.ac
index b78be433..9c42cf3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,7 @@
 # We require at least autoconf 2.63 (AC_INIT format changed there).
 AC_PREREQ([2.63])
 
-AC_INIT([libsigrok], [0.5.1],
+AC_INIT([libsigrok], [0.5.2],
 	[sigrok-devel@lists.sourceforge.net],
 	[libsigrok], [http://www.sigrok.org])
 AC_CONFIG_MACRO_DIR([m4])