diff --git a/WORKSPACE b/WORKSPACE
index 528244b..6d2bf33 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -15,9 +15,9 @@
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-LLVM_COMMIT = "ff81a2c95ddb944c61c162baec3521d9dd62c2cc"
+LLVM_COMMIT = "4f6ec382c8b7204f3b1f48060025f970925f5804"
 
-LLVM_SHA256 = "9585b541c6b47fcd427d080e2afb2f8b1a4fea59be46f12960257e012ff6a6ae"
+LLVM_SHA256 = "273f5c5232607e576e5365fb412517fcf76d414dad17d3f4320680bf4ed778e7"
 
 LLVM_BAZEL_TAG = "llvm-project-{commit}".format(commit = LLVM_COMMIT)
 
diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index 8601d56..3bac12f 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-ff81a2c95ddb944c61c162baec3521d9dd62c2cc
+4f6ec382c8b7204f3b1f48060025f970925f5804