diff --git a/WORKSPACE b/WORKSPACE
index 1407dc4..559aea3 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -15,9 +15,9 @@
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-LLVM_COMMIT = "0604e0bc683eeae76416568411369ba7fd8a1b34"
+LLVM_COMMIT = "388fbefb4f2aec19da221ebbc3e091919f7520a9"
 
-LLVM_SHA256 = "53e40f84aed9130016a1d469f65472a0c9b3a2600ffa12072bd018f87e46e267"
+LLVM_SHA256 = "4e329224d846311d812914bfcdcefceeafcf5a0a53ea3506bdc561df5741088e"
 
 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 2c257a3..67e56d4 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-0604e0bc683eeae76416568411369ba7fd8a1b34
+388fbefb4f2aec19da221ebbc3e091919f7520a9