diff --git a/ci/test/00_setup_env_native_fuzz_with_msan.sh b/ci/test/00_setup_env_native_fuzz_with_msan.sh
index e615c63276..36a172e42c 100755
--- a/ci/test/00_setup_env_native_fuzz_with_msan.sh
+++ b/ci/test/00_setup_env_native_fuzz_with_msan.sh
@@ -17,7 +17,7 @@ export PACKAGES="ninja-build"
 # BDB generates false-positives and will be removed in future
 export DEP_OPTS="DEBUG=1 NO_BDB=1 NO_QT=1 CC=clang CXX=clang++ CFLAGS='${MSAN_FLAGS}' CXXFLAGS='${MSAN_AND_LIBCXX_FLAGS}'"
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-fuzz --with-sanitizers=fuzzer,memory --disable-hardening --with-asm=no CPPFLAGS='-DBOOST_MULTI_INDEX_ENABLE_SAFE_MODE'"
+export BITCOIN_CONFIG="--enable-fuzz --with-sanitizers=fuzzer,memory --disable-hardening CPPFLAGS='-DBOOST_MULTI_INDEX_ENABLE_SAFE_MODE'"
 export USE_MEMORY_SANITIZER="true"
 export RUN_UNIT_TESTS="false"
 export RUN_FUNCTIONAL_TESTS="false"
diff --git a/ci/test/00_setup_env_native_msan.sh b/ci/test/00_setup_env_native_msan.sh
index b26b86cb2f..431e4aba49 100755
--- a/ci/test/00_setup_env_native_msan.sh
+++ b/ci/test/00_setup_env_native_msan.sh
@@ -17,7 +17,7 @@ export PACKAGES="ninja-build"
 # BDB generates false-positives and will be removed in future
 export DEP_OPTS="DEBUG=1 NO_BDB=1 NO_QT=1 CC=clang CXX=clang++ CFLAGS='${MSAN_FLAGS}' CXXFLAGS='${MSAN_AND_LIBCXX_FLAGS}'"
 export GOAL="install"
-export BITCOIN_CONFIG="--with-sanitizers=memory --disable-hardening --with-asm=no"
+export BITCOIN_CONFIG="--with-sanitizers=memory --disable-hardening"
 export USE_MEMORY_SANITIZER="true"
 export RUN_FUNCTIONAL_TESTS="false"
 export CCACHE_MAXSIZE=250M
diff --git a/ci/test/01_base_install.sh b/ci/test/01_base_install.sh
index 6f1498963a..25962a53e5 100755
--- a/ci/test/01_base_install.sh
+++ b/ci/test/01_base_install.sh
@@ -36,7 +36,7 @@ if [ -n "$PIP_PACKAGES" ]; then
 fi
 
 if [[ ${USE_MEMORY_SANITIZER} == "true" ]]; then
-  ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-18.1.1" /msan/llvm-project
+  ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-18.1.3" /msan/llvm-project
 
   cmake -G Ninja -B /msan/clang_build/ \
     -DLLVM_ENABLE_PROJECTS="clang" \