diff --git a/ChangeLog b/ChangeLog
index f4708654..daf4b09e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+ver 0.52:
+	Add support for SIM Toolkit user confirmation handling.
+	Add support for ZTE MF180, MF190, MF637 and MF668 modems.
+	Add support for Huawei E173 modems.
+	Add support for various SpeedUp modems.
+
 ver 0.51:
 	Fix issue with alignment and STK event lists.
 	Fix issue with alignment and STK channel data length.
diff --git a/configure.ac b/configure.ac
index a6b4094a..e4fbeed3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.60)
-AC_INIT(ofono, 0.51)
+AC_INIT(ofono, 0.52)
 
 AM_INIT_AUTOMAKE([foreign subdir-objects color-tests])
 AM_CONFIG_HEADER(config.h)