diff --git a/build-llvm.sh b/build-llvm.sh
index f119d1f..ba6c27c 100755
--- a/build-llvm.sh
+++ b/build-llvm.sh
@@ -16,7 +16,7 @@
 
 set -e
 
-: ${LLVM_VERSION:=llvmorg-18.1.0-rc3}
+: ${LLVM_VERSION:=llvmorg-18.1.0-rc4}
 ASSERTS=OFF
 unset HOST
 BUILDDIR="build"