diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index 2b02d1f..b7213ac 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,35 @@
+-------------------------------------------------------------------
+Sun Jun 26 08:53:26 UTC 2022 - Wolfgang Rosenauer <wr@rosenauer.org>
+
+- Mozilla Thunderbird 91.11.0
+  * CLIENTID fix for bmo#1759197 in Thunderbird 91.8.1 did not work
+    additional fix applied
+  * "Save-As" attachment dialog did not have filename pre-populated
+  MFSA 2022-26 (bsc#1200793)
+  * CVE-2022-34479 (bmo#1745595)
+    A popup window could be resized in a way to overlay the
+    address bar with web content
+  * CVE-2022-34470 (bmo#1765951)
+    Use-after-free in nsSHistory
+  * CVE-2022-34468 (bmo#1768537)
+    CSP sandbox header without `allow-scripts` can be bypassed
+    via retargeted javascript: URI
+  * CVE-2022-2226 (bmo#1775441)
+    An email with a mismatching OpenPGP signature date was
+    accepted as valid
+  * CVE-2022-34481 (bmo#1497246)
+    Potential integer overflow in ReplaceElementsAt
+  * CVE-2022-31744 (bmo#1757604)
+    CSP bypass enabling stylesheet injection
+  * CVE-2022-34472 (bmo#1770123)
+    Unavailable PAC file resulted in OCSP requests being blocked
+  * CVE-2022-34478 (bmo#1773717)
+    Microsoft protocols can be attacked if a user accepts a prompt
+  * CVE-2022-2200 (bmo#1771381)
+    Undesired attributes could be set as part of prototype pollution
+  * CVE-2022-34484 (bmo#1763634, bmo#1772651)
+    Memory safety bugs fixed in Thunderbird 91.11 and Thunderbird 102
+
 -------------------------------------------------------------------
 Thu May 26 07:56:09 UTC 2022 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index ea68aa2..9086312 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -29,8 +29,8 @@
 # major 69
 # mainver %major.99
 %define major          91
-%define mainver        %major.10.0
-%define orig_version   91.10.0
+%define mainver        %major.11.0
+%define orig_version   91.11.0
 %define orig_suffix    %{nil}
 %define update_channel release
 %define source_prefix  thunderbird-%{orig_version}
diff --git a/l10n-91.10.0.tar.xz b/l10n-91.11.0.tar.xz
similarity index 100%
rename from l10n-91.10.0.tar.xz
rename to l10n-91.11.0.tar.xz
diff --git a/tar_stamps b/tar_stamps
index 14b6f3e..46c5834 100644
--- a/tar_stamps
+++ b/tar_stamps
@@ -1,10 +1,10 @@
 PRODUCT="thunderbird"
 CHANNEL="esr91"
-VERSION="91.10.0"
+VERSION="91.11.0"
 VERSION_SUFFIX=""
-PREV_VERSION="91.9.1"
+PREV_VERSION="91.10.0"
 PREV_VERSION_SUFFIX=""
 #SKIP_LOCALES="" # Uncomment to skip l10n and compare-locales-generation
 RELEASE_REPO="https://hg.mozilla.org/releases/comm-esr91"
-RELEASE_TAG="a52d41376d0374e23a0848e42a21454150c4d6a2"
-RELEASE_TIMESTAMP="20220520005021"
+RELEASE_TAG="da48e7ecf800ec7761a3b6e0ca81e0c90adc30f7"
+RELEASE_TIMESTAMP="20220628000715"
diff --git a/thunderbird-91.10.0.source.tar.xz b/thunderbird-91.10.0.source.tar.xz
deleted file mode 100644
index dd2b77e..0000000
--- a/thunderbird-91.10.0.source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
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-oid sha256:a0dbf9a8083a4dff8a0506b5f4c6910f681476e2c5fce081beda4493168e66f9
-size 413952892
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deleted file mode 100644
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+++ /dev/null
@@ -1,16 +0,0 @@
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new file mode 100644
index 0000000..85aa080
--- /dev/null
+++ b/thunderbird-91.11.0.source.tar.xz
@@ -0,0 +1,3 @@
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