diff --git a/configure.ac b/configure.ac
index 04a59434..5a2cf84e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ([2.64])
 
 m4_define([libratbag_major_version], [0])
-m4_define([libratbag_minor_version], [5])
+m4_define([libratbag_minor_version], [6])
 m4_define([libratbag_micro_version], [0])
 m4_define([libratbag_version],
           [libratbag_major_version.libratbag_minor_version.libratbag_micro_version])
@@ -30,8 +30,8 @@ AM_INIT_AUTOMAKE([1.11 foreign no-dist-gzip dist-xz])
 # b) If interfaces have been changed or added, but binary compatibility has
 #    been preserved, change to C+1:0:A+1
 # c) If the interface is the same as the previous version, change to C:R+1:A
-LIBRATBAG_LT_VERSION=3:1:0
-LIBLUR_LT_VERSION=3:1:0
+LIBRATBAG_LT_VERSION=4:0:0
+LIBLUR_LT_VERSION=3:2:0
 AC_SUBST(LIBRATBAG_LT_VERSION)
 AC_SUBST(LIBLUR_LT_VERSION)