diff --git a/gcc13-header-dependencies.patch b/gcc13-header-dependencies.patch
new file mode 100644
index 0000000..d16b4bc
--- /dev/null
+++ b/gcc13-header-dependencies.patch
@@ -0,0 +1,30 @@
+--- thunderbird-102.7.1/dom/media/webrtc/sdp/RsdparsaSdpGlue.cpp.gcc13-header-dependency	2023-01-24 04:23:43.000000000 +0100
++++ thunderbird-102.7.1/dom/media/webrtc/sdp/RsdparsaSdpGlue.cpp	2023-01-25 19:23:11.048662899 +0100
+@@ -3,6 +3,7 @@
+ /* This Source Code Form is subject to the terms of the Mozilla Public
+  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+  * You can obtain one at http://mozilla.org/MPL/2.0/. */
++#include <cstdint>
+ #include <string>
+ 
+ #include "sdp/RsdparsaSdpInc.h"
+--- thunderbird-102.7.1/gfx/2d/Rect.h.gcc13-header-dependency	2023-01-24 04:23:44.000000000 +0100
++++ thunderbird-102.7.1/gfx/2d/Rect.h	2023-01-25 19:23:11.049662897 +0100
+@@ -15,6 +15,7 @@
+ #include "mozilla/Maybe.h"
+ 
+ #include <cmath>
++#include <cstdint>
+ 
+ namespace mozilla {
+ 
+--- thunderbird-102.7.1/toolkit/components/telemetry/pingsender/pingsender.cpp.gcc13-header-dependency	2023-01-24 04:23:55.000000000 +0100
++++ thunderbird-102.7.1/toolkit/components/telemetry/pingsender/pingsender.cpp	2023-01-25 21:38:39.432188899 +0100
+@@ -3,6 +3,7 @@
+  * License, v. 2.0. If a copy of the MPL was not distributed with this
+  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+ 
++#include <cstdint>
+ #include <cstdlib>
+ #include <cstring>
+ #include <ctime>
diff --git a/thunderbird.spec b/thunderbird.spec
index d6fcb41..d63a29e 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -134,6 +134,7 @@ Patch422:       0001-GLIBCXX-fix-for-GCC-12.patch
 # Python 3.11 "Invalid regular expression for rule '...'. global flags not at the start of the expression at position ...
 Patch424:       python3.11-regex-inline-flags.patch
 Patch425:        build-disable-elfhack.patch
+Patch426:       gcc13-header-dependencies.patch
 
 # PPC fix
 Patch304:       mozilla-1245783.patch
@@ -326,6 +327,7 @@ popd
 
 %patch422 -p1 -b .0001-GLIBCXX-fix-for-GCC-12
 %patch424 -p1 -b .python3.11-regex-inline-flags
+%patch426 -p1 -b .gcc13-header-dependencies
 
 %patch501 -p1 -b .expat-CVE-2022-25235
 %patch502 -p1 -b .expat-CVE-2022-25236
@@ -763,6 +765,7 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 %changelog
 * Tue Jan 24 2023 Eike Rathke <erack@redhat.com> - 102.7.1-1
 - Update to 102.7.1
+- Fix FTBFS gcc13 header dependencies
 
 * Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 102.6.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild