diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index 7ccd6ae..641e1c0 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,18 @@
+-------------------------------------------------------------------
+Sun Nov 30 08:37:33 UTC 2014 - wr@rosenauer.org
+
+- update to Thunderbird 31.3.0 (bnc#908009)
+  * MFSA 2014-83/CVE-2014-1587
+    Miscellaneous memory safety hazards
+  * MFSA 2014-85/CVE-2014-1590 (bmo#1087633)
+    XMLHttpRequest crashes with some input streams
+  * MFSA 2014-87/CVE-2014-1592 (bmo#1088635)
+    Use-after-free during HTML5 parsing
+  * MFSA 2014-88/CVE-2014-1593 (bmo#1085175)
+    Buffer overflow while parsing media content
+  * MFSA 2014-89/CVE-2014-1594 (bmo#1074280)
+    Bad casting from the BasicThebesLayer to BasicContainerLayer
+
 -------------------------------------------------------------------
 Sun Nov 16 21:22:00 UTC 2014 - Led <ledest@gmail.com>
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index eb970b5..867b233 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -17,7 +17,7 @@
 #
 
 
-%define mainversion 31.2.0
+%define mainversion 31.3.0
 %define update_channel release
 
 %if %suse_version > 1210
@@ -70,7 +70,7 @@ Recommends:     gstreamer-0_10-plugins-ffmpeg
 %endif
 Version:        %{mainversion}
 Release:        0
-%define releasedate 2014101200
+%define releasedate 2014112600
 Provides:       thunderbird = %{version}
 %if %{with_kde}
 # this is needed to match this package with the kde4 helper package without the main package
diff --git a/create-tar.sh b/create-tar.sh
index 9d7300b..6876f01 100644
--- a/create-tar.sh
+++ b/create-tar.sh
@@ -2,8 +2,8 @@
 
 CHANNEL="esr31"
 BRANCH="releases/comm-$CHANNEL"
-RELEASE_TAG="THUNDERBIRD_31_2_0_RELEASE"
-VERSION="31.2.0"
+RELEASE_TAG="THUNDERBIRD_31_3_0_RELEASE"
+VERSION="31.3.0"
 
 echo "cloning $BRANCH..."
 hg clone http://hg.mozilla.org/$BRANCH thunderbird
diff --git a/l10n-31.2.0.tar.xz b/l10n-31.2.0.tar.xz
deleted file mode 100644
index 4d430fa..0000000
--- a/l10n-31.2.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:55249f17605c558bd7b31df6df1135a5904286fb04e608f723d152b7f2d9236f
-size 20747412
diff --git a/l10n-31.3.0.tar.xz b/l10n-31.3.0.tar.xz
new file mode 100644
index 0000000..3a70c5a
--- /dev/null
+++ b/l10n-31.3.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0bacd934c06f3f1a1f935fbb86f67c643d25dded1dc12bfc756e02a4257036c8
+size 20750140
diff --git a/thunderbird-31.2.0-source.tar.xz b/thunderbird-31.2.0-source.tar.xz
deleted file mode 100644
index cddfdab..0000000
--- a/thunderbird-31.2.0-source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f5ad20be1a95741c8b2bba8ec51ac0cde36846d8e387f8555c1ebd4080e5211b
-size 144772772
diff --git a/thunderbird-31.3.0-source.tar.xz b/thunderbird-31.3.0-source.tar.xz
new file mode 100644
index 0000000..f92412e
--- /dev/null
+++ b/thunderbird-31.3.0-source.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a51acc67b69b1d4fe4f64c67af969eb942e1534cd6dc7e30050f73e92fc206e
+size 144784388