diff --git a/.gitignore b/.gitignore
index 656fcfe..e3335b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /thin-provisioning-tools-0.5.0.tar.gz
 /thin-provisioning-tools-0.5.1.tar.gz
 /thin-provisioning-tools-0.5.2.tar.gz
+/thin-provisioning-tools-0.5.3.tar.gz
diff --git a/device-mapper-persistent-data.spec b/device-mapper-persistent-data.spec
index 2bf1ba8..ed869b5 100644
--- a/device-mapper-persistent-data.spec
+++ b/device-mapper-persistent-data.spec
@@ -3,7 +3,7 @@
 #
 Summary: Device-mapper Persistent Data Tools
 Name: device-mapper-persistent-data
-Version: 0.5.2
+Version: 0.5.3
 Release: 1%{?dist}
 License: GPLv3+
 Group: System Environment/Base
@@ -79,6 +79,10 @@ make DESTDIR=%{buildroot} MANDIR=%{_mandir} install
 %{_sbindir}/thin_trim
 
 %changelog
+* Fri Jul 03 2015 Peter Rajnoha <prajnoha@redhat.com> - 0.5.3-1
+- Tools now open the metadata device in O_EXCL mode to stop
+  running the tools on active metadata.
+
 * Fri Jul 03 2015 Peter Rajnoha <prajnoha@redhat.com> - 0.5.2-1
 - Fix bug in damage reporting in thin_dump and thin_check.
 
diff --git a/sources b/sources
index 9dc96f2..181f6a6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-bfa3be1b6d7543270610f6a3bf74da72  thin-provisioning-tools-0.5.2.tar.gz
+b5e371c81b85366cfaa06dd21cd436cd  thin-provisioning-tools-0.5.3.tar.gz