diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index ec91ff2..2217298 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Jul 25 06:56:46 UTC 2023 - Wolfgang Rosenauer <wr@rosenauer.org>
+
+- Mozilla Thunderbird 102.13.1
+  MFSA 2023-28
+  * CVE-2023-3417 (bmo#1835582)
+    File Extension Spoofing using the Text Direction Override Character
+
 -------------------------------------------------------------------
 Fri Jul  7 12:47:11 UTC 2023 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 51c3847..d6b772a 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -29,8 +29,8 @@
 # major 69
 # mainver %major.99
 %define major          102
-%define mainver        %major.13.0
-%define orig_version   102.13.0
+%define mainver        %major.13.1
+%define orig_version   102.13.1
 %define orig_suffix    %{nil}
 %define update_channel release
 %define source_prefix  thunderbird-%{orig_version}
diff --git a/l10n-102.13.0.tar.xz b/l10n-102.13.1.tar.xz
similarity index 100%
rename from l10n-102.13.0.tar.xz
rename to l10n-102.13.1.tar.xz
diff --git a/tar_stamps b/tar_stamps
index b031004..349f993 100644
--- a/tar_stamps
+++ b/tar_stamps
@@ -1,10 +1,10 @@
 PRODUCT="thunderbird"
 CHANNEL="esr102"
-VERSION="102.13.0"
+VERSION="102.13.1"
 VERSION_SUFFIX=""
-PREV_VERSION="102.12.0"
+PREV_VERSION="102.13.0"
 PREV_VERSION_SUFFIX=""
 #SKIP_LOCALES="" # Uncomment to skip l10n and compare-locales-generation
 RELEASE_REPO="https://hg.mozilla.org/releases/comm-esr102"
-RELEASE_TAG="2bf94c4d195694485df5d632f2453888cf4f6657"
-RELEASE_TIMESTAMP="20230704155023"
+RELEASE_TAG="c1181d5307e80c773d3d2781b18f7bdd2353d66d"
+RELEASE_TIMESTAMP="20230724161345"
diff --git a/thunderbird-102.13.0.source.tar.xz b/thunderbird-102.13.0.source.tar.xz
deleted file mode 100644
index 6764cce..0000000
--- a/thunderbird-102.13.0.source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7a7208cab2810231c2842334a2ffb37d704934dd212011395aec3609751affbc
-size 503365504
diff --git a/thunderbird-102.13.0.source.tar.xz.asc b/thunderbird-102.13.0.source.tar.xz.asc
deleted file mode 100644
index 0179948..0000000
--- a/thunderbird-102.13.0.source.tar.xz.asc
+++ /dev/null
@@ -1,16 +0,0 @@
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diff --git a/thunderbird-102.13.1.source.tar.xz b/thunderbird-102.13.1.source.tar.xz
new file mode 100644
index 0000000..484f0a9
--- /dev/null
+++ b/thunderbird-102.13.1.source.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:614e60ae1839a7faf38a4d471026694efef2c7984ed3756f92bd977a610bb9f2
+size 502958888
diff --git a/thunderbird-102.13.1.source.tar.xz.asc b/thunderbird-102.13.1.source.tar.xz.asc
new file mode 100644
index 0000000..44a0548
--- /dev/null
+++ b/thunderbird-102.13.1.source.tar.xz.asc
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