diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index 97cfa1a..bda0617 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed May 29 06:30:51 UTC 2024 - Wolfgang Rosenauer <wr@rosenauer.org>
+
+- Mozilla Thunderbird 115.11.1
+  * Added a short anonymous survey that a small number of users will
+    be randomly asked to complete
+
 -------------------------------------------------------------------
 Tue May 14 21:57:55 UTC 2024 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 7e1284f..b19a4c4 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -29,8 +29,8 @@
 # major 69
 # mainver %%major.99
 %define major          115
-%define mainver        %major.11.0
-%define orig_version   115.11.0
+%define mainver        %major.11.1
+%define orig_version   115.11.1
 %define orig_suffix    %nil
 %define update_channel release
 %define source_prefix  thunderbird-%{orig_version}
diff --git a/l10n-115.11.0.tar.xz b/l10n-115.11.1.tar.xz
similarity index 100%
rename from l10n-115.11.0.tar.xz
rename to l10n-115.11.1.tar.xz
diff --git a/tar_stamps b/tar_stamps
index 8361a0f..e37256d 100644
--- a/tar_stamps
+++ b/tar_stamps
@@ -1,10 +1,10 @@
 PRODUCT="thunderbird"
 CHANNEL="esr115"
-VERSION="115.11.0"
+VERSION="115.11.1"
 VERSION_SUFFIX=""
-PREV_VERSION="115.10.1"
+PREV_VERSION="115.11.0"
 PREV_VERSION_SUFFIX=""
 #SKIP_LOCALES="" # Uncomment to skip l10n and compare-locales-generation
 RELEASE_REPO="https://hg.mozilla.org/releases/comm-esr115"
-RELEASE_TAG="5b6eb36cb2ba6e8cd3508d681ca416099b330c89"
-RELEASE_TIMESTAMP="20240513132046"
+RELEASE_TAG="5f881bf54595030bb701e1f83fd05a83d23ebb83"
+RELEASE_TIMESTAMP="20240528060252"
diff --git a/thunderbird-115.11.0.source.tar.xz b/thunderbird-115.11.0.source.tar.xz
deleted file mode 100644
index 07d7f9f..0000000
--- a/thunderbird-115.11.0.source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8c3af2e78f28a06e0a15bde45ae6952c74a0e6506c2920f453fbcca901ac619c
-size 530402016
diff --git a/thunderbird-115.11.0.source.tar.xz.asc b/thunderbird-115.11.0.source.tar.xz.asc
deleted file mode 100644
index 1bef1de..0000000
--- a/thunderbird-115.11.0.source.tar.xz.asc
+++ /dev/null
@@ -1,16 +0,0 @@
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new file mode 100644
index 0000000..b4559d2
--- /dev/null
+++ b/thunderbird-115.11.1.source.tar.xz
@@ -0,0 +1,3 @@
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+size 533242964
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new file mode 100644
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