release: bump version to 1.26.6
diff --git a/configure.ac b/configure.ac
index 4e6c8a4..d5e536f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@
 dnl The QMI version number
 m4_define([qmi_major_version], [1])
 m4_define([qmi_minor_version], [26])
-m4_define([qmi_micro_version], [5])
+m4_define([qmi_micro_version], [6])
 m4_define([qmi_version],
           [qmi_major_version.qmi_minor_version.qmi_micro_version])