diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d89e93c2d6..24279e93310 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@
 # Ubuntu 22.04 LTS Jammy Jellyfish, https://wiki.ubuntu.com/Releases, EOSS in June 2027:
 #  - CMake 3.22.1, https://packages.ubuntu.com/jammy/cmake
 #
-# Centos Stream 9, EOL in May 2027:
+# Centos Stream 9, https://www.centos.org/cl-vs-cs/#end-of-life, EOL in May 2027:
 #  - CMake 3.26.5, https://mirror.stream.centos.org/9-stream/AppStream/x86_64/os/Packages/
 cmake_minimum_required(VERSION 3.22)
 if(POLICY CMP0141)
diff --git a/ci/test/00_setup_env_native_asan.sh b/ci/test/00_setup_env_native_asan.sh
index 0eeb0bc4d57..0ec30f23af1 100755
--- a/ci/test/00_setup_env_native_asan.sh
+++ b/ci/test/00_setup_env_native_asan.sh
@@ -28,7 +28,8 @@ export BITCOIN_CONFIG="\
  -DCMAKE_C_COMPILER=clang-18 \
  -DCMAKE_CXX_COMPILER=clang++-18 \
  -DCMAKE_C_FLAGS='-ftrivial-auto-var-init=pattern' \
- -DCMAKE_CXX_FLAGS='-ftrivial-auto-var-init=pattern' \
+ -DCMAKE_CXX_FLAGS='-ftrivial-auto-var-init=pattern -Wno-error=deprecated-declarations' \
+ -DAPPEND_CXXFLAGS='-std=c++23' \
  -DAPPEND_CPPFLAGS='-DARENA_DEBUG -DDEBUG_LOCKORDER' \
 "
 export CCACHE_MAXSIZE=300M