diff --git a/.SRCINFO b/.SRCINFO
index c02591e..baab2bc 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -60,8 +60,10 @@ pkgbase = firedragon
 	backup = usr/lib/firedragon/distribution/policies.json
 	source = firedragon-source-v12.8.1.tar.zst::https://gitlab.com/garuda-linux/firedragon/firedragon12/-/releases/v12.8.1/downloads/firedragon-source.tar.zst
 	source = firedragon.psd::https://github.com/stefanwimmer128/profile-sync-daemon/raw/refs/heads/firedragon/contrib/firedragon
+	source = 0023-bgo-969412-glibc-2.43.patch
 	sha256sums = 341d95b47107309cb1590ec16c0236035d23473d03deb4a9d3ef7e065da288c5
 	sha256sums = 61355930cc59813e7e610ffdab8a01e32be980fffe1dfd8f9654b8f8f9f7fdc0
+	sha256sums = 25e8f2e706aa837f5b6e3c003a6c7f42b07f0a7366d10f9e0d5ad38053767aae
 	source_x86_64 = deno-x86_64-v2.5.0.zip::https://github.com/denoland/deno/releases/download/v2.5.0/deno-x86_64-unknown-linux-gnu.zip
 	sha256sums_x86_64 = 4561adb06b13f287a3785276cb29f377b7ffb49d54290178223b037e161446d3
 	source_aarch64 = deno-aarch64-v2.5.0.zip::https://github.com/denoland/deno/releases/download/v2.5.0/deno-aarch64-unknown-linux-gnu.zip
diff --git a/0023-bgo-969412-glibc-2.43.patch b/0023-bgo-969412-glibc-2.43.patch
new file mode 100644
index 0000000..58b57cb
--- /dev/null
+++ b/0023-bgo-969412-glibc-2.43.patch
@@ -0,0 +1,40 @@
+diff -up firefox-146.0/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h.build-c11-threads-avail firefox-146.0/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h
+--- firefox-146.0/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h.build-c11-threads-avail	2025-12-05 18:43:20.000000000 +0100
++++ firefox-146.0/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h	2025-12-11 13:30:50.463371937 +0100
+@@ -66,7 +66,7 @@ typedef pthread_cond_t  cnd_t;
+ typedef pthread_t       thrd_t;
+ typedef pthread_key_t   tss_t;
+ typedef pthread_mutex_t mtx_t;
+-typedef pthread_once_t  once_flag;
++//typedef pthread_once_t  once_flag;
+ 
+ 
+ /*
+@@ -90,12 +90,13 @@ impl_thrd_routine(void *p)
+ 
+ /*--------------- 7.25.2 Initialization functions ---------------*/
+ // 7.25.2.1
+-static inline void
++//
++/*static inline void
+ call_once(once_flag *flag, void (*func)(void))
+ {
+     pthread_once(flag, func);
+ }
+-
++*/
+ 
+ /*------------- 7.25.3 Condition variable functions -------------*/
+ // 7.25.3.1
+diff -up a/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h b/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h
+--- a/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h	2025-12-09 13:42:31.378958842 +0100
++++ b/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h	2025-12-09 13:42:37.886937626 +0100
+@@ -6,6 +6,7 @@
+ #define SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SECCOMP_H_
+ 
+ #include <stdint.h>
++#include <signal.h>
+ #include <sys/ioctl.h>
+ 
+ #include "build/build_config.h"
+
diff --git a/PKGBUILD b/PKGBUILD
index bfb9bf1..eb4c0ea 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -72,11 +72,13 @@ options=(!debug
 backup=("usr/lib/${pkgname}/${pkgname}.cfg"
         "usr/lib/${pkgname}/distribution/policies.json")
 source=(firedragon-source-v"$_pkgver".tar.zst::https://gitlab.com/garuda-linux/firedragon/firedragon12/-/releases/v"$_pkgver"/downloads/firedragon-source.tar.zst
-        firedragon.psd::https://github.com/stefanwimmer128/profile-sync-daemon/raw/refs/heads/firedragon/contrib/firedragon)
+        firedragon.psd::https://github.com/stefanwimmer128/profile-sync-daemon/raw/refs/heads/firedragon/contrib/firedragon
+        0023-bgo-969412-glibc-2.43.patch)
 source_x86_64=(deno-x86_64-v$"$_deno_ver".zip::https://github.com/denoland/deno/releases/download/v"$_deno_ver"/deno-x86_64-unknown-linux-gnu.zip)
 source_aarch64=(deno-aarch64-v$"$_deno_ver".zip::https://github.com/denoland/deno/releases/download/v"$_deno_ver"/deno-aarch64-unknown-linux-gnu.zip)
 sha256sums=('341d95b47107309cb1590ec16c0236035d23473d03deb4a9d3ef7e065da288c5'
-            '61355930cc59813e7e610ffdab8a01e32be980fffe1dfd8f9654b8f8f9f7fdc0')
+            '61355930cc59813e7e610ffdab8a01e32be980fffe1dfd8f9654b8f8f9f7fdc0'
+            '25e8f2e706aa837f5b6e3c003a6c7f42b07f0a7366d10f9e0d5ad38053767aae')
 sha256sums_x86_64=('4561adb06b13f287a3785276cb29f377b7ffb49d54290178223b037e161446d3')
 sha256sums_aarch64=('81d2ef446954429f0dcbcb24cdce115e5bb2c3a3548b79c01b49ec959682ac9b')
 
@@ -103,6 +105,9 @@ prepare() {
 
   cd firedragon-source-v"${_pkgver}" || exit
 
+  patch -Nsp1 -i "$srcdir"/0023-bgo-969412-glibc-2.43.patch
+  sed -i -e 's/\("files":{\)[^}]*/\1/' third_party/rust/glslopt/.cargo-checksum.json
+
   _deno install --allow-scripts --frozen
 
   _target="$(_deno task build --get-target)"