diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index bda0617..d0f351b 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,28 @@
+-------------------------------------------------------------------
+Mon Jun 17 07:43:27 UTC 2024 - Wolfgang Rosenauer <wr@rosenauer.org>
+
+- Mozilla Thunderbird 115.12.0
+  https://www.thunderbird.net/en-US/thunderbird/115.12.0/releasenotes
+  MFSA 2024-28 (bsc#1226027)
+  * CVE-2024-5702 (bmo#1193389)
+    Use-after-free in networking
+  * CVE-2024-5688 (bmo#1895086)
+    Use-after-free in JavaScript object transplant
+  * CVE-2024-5690 (bmo#1883693)
+    External protocol handlers leaked by timing attack
+  * CVE-2024-5691 (bmo#1888695)
+    Sandboxed iframes were able to bypass sandbox restrictions to
+    open a new window
+  * CVE-2024-5692 (bmo#1891234)
+    Bypass of file name restrictions during saving
+  * CVE-2024-5693 (bmo#1891319)
+    Cross-Origin Image leak via Offscreen Canvas
+  * CVE-2024-5696 (bmo#1896555)
+    Memory Corruption in Text Fragments
+  * CVE-2024-5700 (bmo#1862809, bmo#1889355, bmo#1893388, bmo#1895123)
+    Memory safety bugs fixed in Firefox 127, Firefox ESR 115.12,
+    and Thunderbird 115.12
+
 -------------------------------------------------------------------
 Wed May 29 06:30:51 UTC 2024 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index b19a4c4..44d3d53 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -29,8 +29,8 @@
 # major 69
 # mainver %%major.99
 %define major          115
-%define mainver        %major.11.1
-%define orig_version   115.11.1
+%define mainver        %major.12.0
+%define orig_version   115.12.0
 %define orig_suffix    %nil
 %define update_channel release
 %define source_prefix  thunderbird-%{orig_version}
diff --git a/l10n-115.11.1.tar.xz b/l10n-115.11.1.tar.xz
deleted file mode 100644
index cab23c7..0000000
--- a/l10n-115.11.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f07fff0a5cc0b84df0c924982f95e50dfc45d39135fcd59b0c05658103dfe659
-size 28748540
diff --git a/l10n-115.12.0.tar.xz b/l10n-115.12.0.tar.xz
new file mode 100644
index 0000000..89b6a8a
--- /dev/null
+++ b/l10n-115.12.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:073f87ae4e39b168edd3f3b2b261b429c4b430d6247bd5d4742630b5fbb60fa6
+size 29995960
diff --git a/tar_stamps b/tar_stamps
index e37256d..f3eb5fc 100644
--- a/tar_stamps
+++ b/tar_stamps
@@ -1,10 +1,10 @@
 PRODUCT="thunderbird"
 CHANNEL="esr115"
-VERSION="115.11.1"
+VERSION="115.12.0"
 VERSION_SUFFIX=""
-PREV_VERSION="115.11.0"
+PREV_VERSION="115.11.1"
 PREV_VERSION_SUFFIX=""
 #SKIP_LOCALES="" # Uncomment to skip l10n and compare-locales-generation
 RELEASE_REPO="https://hg.mozilla.org/releases/comm-esr115"
-RELEASE_TAG="5f881bf54595030bb701e1f83fd05a83d23ebb83"
-RELEASE_TIMESTAMP="20240528060252"
+RELEASE_TAG="c8e74fba9d207152648b517f30da7f391a514a1a"
+RELEASE_TIMESTAMP="20240614163201"
diff --git a/thunderbird-115.11.1.source.tar.xz b/thunderbird-115.11.1.source.tar.xz
deleted file mode 100644
index b4559d2..0000000
--- a/thunderbird-115.11.1.source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e0ceb1b9d3e19d5d1fd743eb9e473751bf0c671c00e234f95736f624309b26a5
-size 533242964
diff --git a/thunderbird-115.11.1.source.tar.xz.asc b/thunderbird-115.11.1.source.tar.xz.asc
deleted file mode 100644
index 4f3f404..0000000
--- a/thunderbird-115.11.1.source.tar.xz.asc
+++ /dev/null
@@ -1,16 +0,0 @@
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new file mode 100644
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