diff --git a/pkgs/applications/networking/mailreaders/thunderbird/packages.nix b/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
index 8a78d99b79c8..71d6cb7a2fa6 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
@@ -32,11 +32,14 @@ let
       # FIXME: let's hope that upstream will fix this soon and we can drop this hack again.
       # https://bugzilla.mozilla.org/show_bug.cgi?id=2040877
       extraPostPatch =
-        lib.optionalString (lib.versionAtLeast version "151" && lib.versionOlder version "152")
-          ''
-            echo https://hg.mozilla.org/releases/comm-release/rev/becfb8fb2c70f1603882a2787e2170d5d8013949 >> sourcestamp.txt
-            echo https://hg.mozilla.org/releases/mozilla-release/rev/fc12dc911f904307729760a817deb829cbf8feb4 >> sourcestamp.txt
-          '';
+        lib.optionalString (lib.versionAtLeast version "151" && lib.versionOlder version "152") ''
+          echo https://hg.mozilla.org/releases/comm-release/rev/becfb8fb2c70f1603882a2787e2170d5d8013949 >> sourcestamp.txt
+          echo https://hg.mozilla.org/releases/mozilla-release/rev/fc12dc911f904307729760a817deb829cbf8feb4 >> sourcestamp.txt
+        ''
+        # https://bugzilla.mozilla.org/show_bug.cgi?id=2006630
+        + lib.optionalString (lib.versionAtLeast version "140.8" && lib.versionOlder version "151") ''
+          find . -name .cargo-checksum.json | xargs sed 's/"[^"]*\.gitmodules":"[a-z0-9]*",//g' -i
+        '';
 
       meta = {
         changelog = "https://www.thunderbird.net/en-US/thunderbird/${version}/releasenotes/";
@@ -88,8 +91,8 @@ rec {
   thunderbird-140 = common {
     applicationName = "Thunderbird ESR";
 
-    version = "140.7.2esr";
-    sha512 = "513bcaa496f987d0f3906aeb6fe3ea651331470646b0c58479c91bb2c8eb52e389bc8aa646437a03b611ab78bda1df7252545960ffe38086d1fc462e65421819";
+    version = "140.11.1esr";
+    sha512 = "93dfdd26e6f4c7dd2f7dcc2e4994980d017868341c60c93775721467abd9192b815f2de63928e7d10c965fc045ed72ca5b49ed6502a61e50104ee5cd00941d1e";
 
     updateScript = callPackage ./update.nix {
       attrPath = "thunderbirdPackages.thunderbird-140";