diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index 4ae0f09..abcec4a 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Feb  9 07:49:54 UTC 2017 - wr@rosenauer.org
+
+- update to Thunderbird 45.7.1
+  * fixed Crash when viewing certain IMAP messages (introduced in 45.7.0)
+
 -------------------------------------------------------------------
 Tue Jan 24 20:43:57 UTC 2017 - wr@rosenauer.org
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 5f02f0e..a4634de 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -17,9 +17,9 @@
 #
 
 
-%define mainversion 45.7.0
+%define mainversion 45.7.1
 %define update_channel release
-%define releasedate 2017012400
+%define releasedate 2017020600
 
 %if %suse_version > 1310
 %define gstreamer_ver 1.0
diff --git a/compare-locales.tar.xz b/compare-locales.tar.xz
index f714aa2..c285645 100644
--- a/compare-locales.tar.xz
+++ b/compare-locales.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:48d77c57afca1ec07ed17dc0b961d446deae414dc467a8cd4b98dc97f9c59a18
-size 28336
+oid sha256:d8fb6c2228abf427e0baa83807a508b3083f88d7d35e68d15bbf47278d563cce
+size 28392
diff --git a/create-tar.sh b/create-tar.sh
index d7a0b9e..a63bf5e 100644
--- a/create-tar.sh
+++ b/create-tar.sh
@@ -2,8 +2,8 @@
 
 CHANNEL="esr45"
 BRANCH="releases/comm-$CHANNEL"
-RELEASE_TAG="THUNDERBIRD_45_7_0_RELEASE"
-VERSION="45.7.0"
+RELEASE_TAG="THUNDERBIRD_45_7_1_RELEASE"
+VERSION="45.7.1"
 
 echo "cloning $BRANCH..."
 hg clone http://hg.mozilla.org/$BRANCH thunderbird
diff --git a/l10n-45.7.0.tar.xz b/l10n-45.7.0.tar.xz
deleted file mode 100644
index ab47406..0000000
--- a/l10n-45.7.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:17e3bcaa6931dbf15f68cd18c234dcdd37864b944ca3e1456e4ba0f726c84f95
-size 24510672
diff --git a/l10n-45.7.1.tar.xz b/l10n-45.7.1.tar.xz
new file mode 100644
index 0000000..03f0a3e
--- /dev/null
+++ b/l10n-45.7.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec9b6b1fedf2c02969b06702e4b41222d541032cddaf9e8bb35992a83b7679a7
+size 24525548
diff --git a/thunderbird-45.7.0-source.tar.xz b/thunderbird-45.7.0-source.tar.xz
deleted file mode 100644
index f94c2d8..0000000
--- a/thunderbird-45.7.0-source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d0980a5cf329a8cc770166afb6dec1ccff51ed0c70ea0239ca0d0dd5399fd7cc
-size 211953556
diff --git a/thunderbird-45.7.1-source.tar.xz b/thunderbird-45.7.1-source.tar.xz
new file mode 100644
index 0000000..07dc543
--- /dev/null
+++ b/thunderbird-45.7.1-source.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bbb133fa9fddaefbb8127d88d598e4f380c7b413283edd78b320b21b17deca28
+size 212089380