diff --git a/evolution-ews-3.16.5.tar.xz b/evolution-ews-3.16.5.tar.xz
deleted file mode 100644
index 62c63f7..0000000
--- a/evolution-ews-3.16.5.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d67e0cbf94800fb7035205bf8fd61ae1413ae7ba79265f8750fde1e7fb25eb58
-size 684684
diff --git a/evolution-ews-3.17.91.tar.xz b/evolution-ews-3.17.91.tar.xz
new file mode 100644
index 0000000..8d773df
--- /dev/null
+++ b/evolution-ews-3.17.91.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2edcd534217ab2311486fad8e25d44ad96d6aaf1d4f54af4f9eccd5ebde9cc4b
+size 690284
diff --git a/evolution-ews.changes b/evolution-ews.changes
index 7c2c410..a26eb65 100644
--- a/evolution-ews.changes
+++ b/evolution-ews.changes
@@ -1,3 +1,69 @@
+-------------------------------------------------------------------
+Mon Aug 31 17:19:57 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 3.17.91:
+  + Add safety check when replacing folder hierarchy info in hash
+    tables.
+  + Updated translations.
+
+-------------------------------------------------------------------
+Mon Aug 17 11:03:46 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 3.17.90:
+  + Avoid %ld in printf formats.
+  + Correct use-after-free in notification code when EWS debugging
+    is on.
+  + Use only personal mail folders for change notification
+    listener.
+  + Do not loop in the notification code on fatal client/server
+    errors.
+  + Bugs fixed: bgo#751703, bgo#233140, bgo#753543.
+  + Updated translations.
+
+-------------------------------------------------------------------
+Mon Aug 10 06:13:48 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 3.17.4:
+  + Differentiate between Unavailable and No response errors.
+  + _ews_debug_dump_raw_soup_message: Check for non-NULL hdrs and
+     body arguments.
+  + Bugs fixed: bgo#751547, bgo#751725, bgo#692361.
+
+-------------------------------------------------------------------
+Mon Aug 10 06:13:47 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 3.17.3:
+  + Remove unused variable.
+  + configure.ac: Do not override localedir variable.
+  + Use e_source_remove_sync() instead of
+    e_source_registry_server_remove_source().
+  + Make sure collection child sources are enabled when created.
+  + Bugs fixed: bgo#471791, bgo#751001.
+- Drop evolution-ews-intltool-path.patch: Fixed upstream.
+- Remove gnome-common BuildRequires and call to gnome-autogen.sh,
+  no longer needed, also stop intoolizing tarball, patch dropped.
+
+-------------------------------------------------------------------
+Mon Aug 10 06:13:46 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 3.17.2:
+  + Correct locking in e_book_backend_ews_set_locale().
+  + Address some of the Coverity Scan issues.
+  + Bugs fixed: bgo#729989, bgo#671546.
+
+-------------------------------------------------------------------
+Mon Aug 10 06:13:45 UTC 2015 - zaitor@opensuse.org
+
+- Update to version 3.17.1:
+  + Use common property lock provided by ESourceExtension.
+  + Query auth methods right from the got-headers signal.
+  + notification: Try to re-subscribe in case of failure.
+  + Move ews_dump_raw_soup_{request,response} to e-ews-debug.[ch].
+  + Log the request/response of EEwsNotification.
+  + Fix various memory leaks.
+  + Bugs fixed: bgo#746395, bgo#748242.
+- Bump baseversion following upstream changes.
+
 -------------------------------------------------------------------
 Mon Aug 10 06:13:44 UTC 2015 - zaitor@opensuse.org
 
diff --git a/evolution-ews.spec b/evolution-ews.spec
index 5d49d5a..5f3c71f 100644
--- a/evolution-ews.spec
+++ b/evolution-ews.spec
@@ -18,14 +18,14 @@
 
 Name:           evolution-ews
 # This should be updated upon major version changes; it should match BASE_VERSION as defined in configure.in.
-%define evolution_base_version 3.16
-Version:        3.16.5
+%define evolution_base_version 3.18
+Version:        3.17.91
 Release:        0
 Summary:        Exchange Connector for Evolution, compatible with Exchange 2007 and later
 License:        LGPL-2.1
 Group:          Productivity/Networking/Email/Clients
 Url:            http://projects.gnome.org/evolution/
-Source:         http://download.gnome.org/sources/evolution-ews/3.16/%{name}-%{version}.tar.xz
+Source:         http://download.gnome.org/sources/evolution-ews/3.17/%{name}-%{version}.tar.xz
 BuildRequires:  fdupes
 BuildRequires:  intltool
 BuildRequires:  translation-update-upstream